Search a number
-
+
230972952137392 = 24171934399820027
BaseRepresentation
bin110100100001000110010100…
…110000111100111010110000
31010021210210120011102110100101
4310201012110300330322300
5220233230101221344032
62135123302005402144
766436150033513543
oct6441062460747260
91107723504373311
10230972952137392
1167660096035833
1221aa4132409354
139bb586b0c881a
1441072170b685a
151ba820ac42de7
hexd21194c3ceb0

230972952137392 has 40 divisors (see below), whose sum is σ = 476289317671056. Its totient is φ = 108129976958976.

The previous prime is 230972952137363. The next prime is 230972952137419. The reversal of 230972952137392 is 293731259279032.

It is a super-2 number, since 2×2309729521373922 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199857518 + ... + 2199962509.

Almost surely, 2230972952137392 is an apocalyptic number.

It is an amenable number.

230972952137392 is an abundant number, since it is smaller than the sum of its proper divisors (245316365533664).

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

230972952137392 is a wasteful number, since it uses less digits than its factorization.

230972952137392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399820245 (or 4399820239 counting only the distinct ones).

The product of its (nonzero) digits is 77157360, while the sum is 64.

The spelling of 230972952137392 in words is "two hundred thirty trillion, nine hundred seventy-two billion, nine hundred fifty-two million, one hundred thirty-seven thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 17 34 68 136 193 272 386 772 1544 3088 3281 6562 13124 26248 52496 4399820027 8799640054 17599280108 35198560216 70397120432 74796940459 149593880918 299187761836 598375523672 849165265211 1196751047344 1698330530422 3396661060844 6793322121688 13586644243376 14435809508587 28871619017174 57743238034348 115486476068696 230972952137392