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231233312268 = 223272931641121
BaseRepresentation
bin1101011101011010010…
…1000101011000001100
3211002212001021100020200
43113112211011120030
512242031211443033
6254121020213500
722464114503310
oct3272645053014
9732761240220
10231233312268
118a07a1a3a72
123899369a290
1318a6107023a
14b29824bb40
1560354b9013
hex35d694560c

231233312268 has 72 divisors (see below), whose sum is σ = 691042104480. Its totient is φ = 63788497920.

The previous prime is 231233312237. The next prime is 231233312273. The reversal of 231233312268 is 862213332132.

231233312268 is a `hidden beast` number, since 2 + 312 + 3 + 3 + 312 + 26 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15813253 + ... + 15827868.

Almost surely, 2231233312268 is an apocalyptic number.

231233312268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

231233312268 is an abundant number, since it is smaller than the sum of its proper divisors (459808792212).

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

231233312268 is a wasteful number, since it uses less digits than its factorization.

231233312268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31641167 (or 31641162 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The spelling of 231233312268 in words is "two hundred thirty-one billion, two hundred thirty-three million, three hundred twelve thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 29 36 42 58 63 84 87 116 126 174 203 252 261 348 406 522 609 812 1044 1218 1827 2436 3654 7308 31641121 63282242 94923363 126564484 189846726 221487847 284770089 379693452 442975694 569540178 664463541 885951388 917592509 1139080356 1328927082 1835185018 1993390623 2657854164 2752777527 3670370036 3986781246 5505555054 6423147563 7973562492 8258332581 11011110108 12846295126 16516665162 19269442689 25692590252 33033330324 38538885378 57808328067 77077770756 115616656134 231233312268