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231664066403160 = 233512823915054187
BaseRepresentation
bin110100101011001001111110…
…011000101001101101011000
31010101020212110002211210020110
4310223021332120221231120
5220331041001444400120
62140413000342524320
766540114346035426
oct6453117630515530
91111225402753213
10231664066403160
11678a71a7018816
1221b9606b1366a0
139c35a9b682351
14412c85a22c116
151bbb1a9b902e0
hexd2b27e629b58

231664066403160 has 64 divisors (see below), whose sum is σ = 694997664883200. Its totient is φ = 61776598536576.

The previous prime is 231664066403141. The next prime is 231664066403177. The reversal of 231664066403160 is 61304660466132.

It is a happy number.

It is a congruent number.

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, 7861587 + ... + 22915773.

It is an arithmetic number, because the mean of its divisors is an integer number (10859338513800).

Almost surely, 2231664066403160 is an apocalyptic number.

231664066403160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231664066403160 is an abundant number, since it is smaller than the sum of its proper divisors (463333598480040).

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

231664066403160 is a wasteful number, since it uses less digits than its factorization.

231664066403160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15182440 (or 15182436 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 231664066403160 in words is "two hundred thirty-one trillion, six hundred sixty-four billion, sixty-six million, four hundred three thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 128239 256478 384717 512956 641195 769434 1025912 1282390 1538868 1923585 2564780 3077736 3847170 5129560 7694340 15054187 15388680 30108374 45162561 60216748 75270935 90325122 120433496 150541870 180650244 225812805 301083740 361300488 451625610 602167480 903251220 1806502440 1930533886693 3861067773386 5791601660079 7722135546772 9652669433465 11583203320158 15444271093544 19305338866930 23166406640316 28958008300395 38610677733860 46332813280632 57916016600790 77221355467720 115832033201580 231664066403160