[go: up one dir, main page]

Search a number
-
+
2051563332 = 2237132178501
BaseRepresentation
bin111101001001000…
…0101111101000100
312021222101012211010
41322102011331010
513200200011312
6535324042220
7101561000130
oct17222057504
95258335733
102051563332
11963065995
12493093370
1326905c200
1415667c3c0
15c019a93c
hex7a485f44

2051563332 has 144 divisors (see below), whose sum is σ = 6273251712. Its totient is φ = 509184000.

The previous prime is 2051563331. The next prime is 2051563337. The reversal of 2051563332 is 2333651502.

It is a self number, because there is not a number n which added to its sum of digits gives 2051563332.

It is not an unprimeable number, because it can be changed into a prime (2051563331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237082 + ... + 245582.

It is an arithmetic number, because the mean of its divisors is an integer number (43564248).

Almost surely, 22051563332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051563332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3136625856).

2051563332 is an abundant number, since it is smaller than the sum of its proper divisors (4221688380).

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

2051563332 is a wasteful number, since it uses less digits than its factorization.

2051563332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558 (or 8543 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 2051563332 is about 45294.1865143861. The cubic root of 2051563332 is about 1270.6569300605.

The spelling of 2051563332 in words is "two billion, fifty-one million, five hundred sixty-three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 13 14 17 21 26 28 34 39 42 51 52 68 78 84 91 102 119 156 169 182 204 221 238 273 338 357 364 442 476 507 546 663 676 714 884 1014 1092 1183 1326 1428 1547 2028 2366 2652 2873 3094 3549 4641 4732 5746 6188 7098 8501 8619 9282 11492 14196 17002 17238 18564 20111 25503 34004 34476 40222 51006 59507 60333 80444 102012 110513 119014 120666 144517 178521 221026 238028 241332 289034 331539 357042 433551 442052 578068 663078 714084 773591 867102 1011619 1326156 1436669 1547182 1734204 1878721 2023238 2320773 2873338 3034857 3094364 3757442 4046476 4310007 4641546 5636163 5746676 6069714 7514884 8620014 9283092 10056683 11272326 12139428 13151047 17240028 20113366 22544652 24423373 26302094 30170049 39453141 40226732 48846746 52604188 60340098 73270119 78906282 97693492 120680196 146540238 157812564 170963611 293080476 341927222 512890833 683854444 1025781666 2051563332