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2555115552 = 2532113492311
BaseRepresentation
bin1001100001001011…
…1111100000100000
320121001220022121100
42120102333200200
520213102144202
61101312554400
7120214060323
oct23022774040
96531808540
102555115552
1110a1329150
125b3852a00
133194890c2
141a34ba7ba
15ee4b641c
hex984bf820

2555115552 has 144 divisors (see below), whose sum is σ = 7952817600. Its totient is φ = 771724800.

The previous prime is 2555115547. The next prime is 2555115593.

2555115552 is a `hidden beast` number, since 2 + 5 + 551 + 1 + 55 + 52 = 666.

2555115552 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1104477 + ... + 1106787.

It is an arithmetic number, because the mean of its divisors is an integer number (55227900).

Almost surely, 22555115552 is an apocalyptic number.

2555115552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555115552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3976408800).

2555115552 is an abundant number, since it is smaller than the sum of its proper divisors (5397702048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555115552 is a wasteful number, since it uses less digits than its factorization.

2555115552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687 (or 2676 counting only the distinct ones).

The product of its digits is 62500, while the sum is 36.

The square root of 2555115552 is about 50548.1508267118. The cubic root of 2555115552 is about 1367.1101733568.

The spelling of 2555115552 in words is "two billion, five hundred fifty-five million, one hundred fifteen thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 176 198 264 288 349 352 396 528 698 792 1047 1056 1396 1584 2094 2311 2792 3141 3168 3839 4188 4622 5584 6282 6933 7678 8376 9244 11168 11517 12564 13866 15356 16752 18488 20799 23034 25128 25421 27732 30712 33504 34551 36976 41598 46068 50256 50842 55464 61424 69102 73952 76263 83196 92136 100512 101684 110928 122848 138204 152526 166392 184272 203368 221856 228789 276408 305052 332784 368544 406736 457578 552816 610104 665568 806539 813472 915156 1105632 1220208 1613078 1830312 2419617 2440416 3226156 3660624 4839234 6452312 7258851 7321248 8871929 9678468 12904624 14517702 17743858 19356936 25809248 26615787 29035404 35487716 38713872 53231574 58070808 70975432 77427744 79847361 106463148 116141616 141950864 159694722 212926296 232283232 283901728 319389444 425852592 638778888 851705184 1277557776 2555115552