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7243008912 = 24322911315349
BaseRepresentation
bin1101011111011011…
…11000101110010000
3200200202222222100100
412233231320232100
5104313202241122
63154414452400
7344326363026
oct65755705620
920622888310
107243008912
113087542887
1214a1804100
138b576b4b9
144c9d36716
152c5d1baac
hex1afb78b90

7243008912 has 120 divisors (see below), whose sum is σ = 21156291000. Its totient is φ = 2310303744.

The previous prime is 7243008901. The next prime is 7243008953. The reversal of 7243008912 is 2198003427.

It can be written as a sum of positive squares in 4 ways, for example, as 318096 + 7242690816 = 564^2 + 85104^2 .

It is a super-2 number, since 2×72430089122 (a number of 21 digits) contains 22 as substring.

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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464214 + ... + 479562.

It is an arithmetic number, because the mean of its divisors is an integer number (176302425).

Almost surely, 27243008912 is an apocalyptic number.

7243008912 is a gapful number since it is divisible by the number (72) 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 7243008912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10578145500).

7243008912 is an abundant number, since it is smaller than the sum of its proper divisors (13913282088).

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

7243008912 is a wasteful number, since it uses less digits than its factorization.

7243008912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15505 (or 15496 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7243008912 is about 85105.8688458087. The cubic root of 7243008912 is about 1934.8160135944.

The spelling of 7243008912 in words is "seven billion, two hundred forty-three million, eight thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 36 48 58 72 87 113 116 144 174 226 232 261 339 348 452 464 522 678 696 904 1017 1044 1356 1392 1808 2034 2088 2712 3277 4068 4176 5424 6554 8136 9831 13108 15349 16272 19662 26216 29493 30698 39324 46047 52432 58986 61396 78648 92094 117972 122792 138141 157296 184188 235944 245584 276282 368376 445121 471888 552564 736752 890242 1105128 1335363 1734437 1780484 2210256 2670726 3468874 3560968 4006089 5203311 5341452 6937748 7121936 8012178 10406622 10682904 13875496 15609933 16024356 20813244 21365808 27750992 31219866 32048712 41626488 50298673 62439732 64097424 83252976 100597346 124879464 150896019 201194692 249758928 301792038 402389384 452688057 603584076 804778768 905376114 1207168152 1810752228 2414336304 3621504456 7243008912