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157912812532 = 225919128312379
BaseRepresentation
bin1001001100010001010…
…1100100101111110100
3120002121012211001001101
42103010111210233310
510041401140000112
6200313311335444
714260140521356
oct2230425445764
9502535731041
10157912812532
1160a74736342
1226730821584
1311b77a16857
1479006410d6
154193606757
hex24c4564bf4

157912812532 has 48 divisors (see below), whose sum is σ = 283523788800. Its totient is φ = 76932735840.

The previous prime is 157912812509. The next prime is 157912812539. The reversal of 157912812532 is 235218219751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157912812539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12750319 + ... + 12762697.

It is an arithmetic number, because the mean of its divisors is an integer number (5906745600).

Almost surely, 2157912812532 is an apocalyptic number.

It is an amenable number.

157912812532 is a deficient number, since it is larger than the sum of its proper divisors (125610976268).

157912812532 is a wasteful number, since it uses less digits than its factorization.

157912812532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12916 (or 12914 counting only the distinct ones).

The product of its digits is 302400, while the sum is 46.

The spelling of 157912812532 in words is "one hundred fifty-seven billion, nine hundred twelve million, eight hundred twelve thousand, five hundred thirty-two".

Divisors: 1 2 4 59 118 191 236 283 382 566 764 1132 11269 12379 16697 22538 24758 33394 45076 49516 54053 66788 108106 216212 730361 1460722 2364389 2921444 3189127 3503257 4728778 6378254 7006514 9457556 12756508 14013028 139498951 206692163 278997902 413384326 557995804 669122087 826768652 1338244174 2676488348 39478203133 78956406266 157912812532