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86956157028 = 223131633419701
BaseRepresentation
bin101000011111011111…
…1011010100001100100
322022110010100110112110
41100332333122201210
52411041234011103
6103540324121020
76165566065536
oct1207677324144
9268403313473
1086956157028
1133972535894
1214a29536170
13827a329c70
1442cc961856
1523de027403
hex143efda864

86956157028 has 48 divisors (see below), whose sum is σ = 219845802176. Its totient is φ = 26591587200.

The previous prime is 86956156993. The next prime is 86956157033. The reversal of 86956157028 is 82075165968.

It is a super-2 number, since 2×869561570282 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1684423 + ... + 1735278.

Almost surely, 286956157028 is an apocalyptic number.

It is an amenable number.

86956157028 is an abundant number, since it is smaller than the sum of its proper divisors (132889645148).

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

86956157028 is a wasteful number, since it uses less digits than its factorization.

86956157028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419884 (or 3419882 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 86956157028 in words is "eighty-six billion, nine hundred fifty-six million, one hundred fifty-seven thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 163 326 489 652 978 1956 2119 4238 6357 8476 12714 25428 3419701 6839402 10259103 13678804 20518206 41036412 44456113 88912226 133368339 177824452 266736678 533473356 557411263 1114822526 1672233789 2229645052 3344467578 6688935156 7246346419 14492692838 21739039257 28985385676 43478078514 86956157028