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231812844232 = 2328976605529
BaseRepresentation
bin1101011111100100011…
…1110100101011001000
3211011100102202121122111
43113321013310223020
512244223042003412
6254254321432104
722514352444004
oct3277107645310
9734312677574
10231812844232
118a347341a02
1238b1579b634
1318b24150668
14b3111c7704
15606b2e22a7
hex35f91f4ac8

231812844232 has 8 divisors (see below), whose sum is σ = 434649082950. Its totient is φ = 115906422112.

The previous prime is 231812844223. The next prime is 231812844233. The reversal of 231812844232 is 232448218132.

It can be written as a sum of positive squares in only one way, i.e., 199010563236 + 32802280996 = 446106^2 + 181114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (231812844233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14488302757 + ... + 14488302772.

Almost surely, 2231812844232 is an apocalyptic number.

It is an amenable number.

231812844232 is a deficient number, since it is larger than the sum of its proper divisors (202836238718).

231812844232 is a wasteful number, since it uses less digits than its factorization.

231812844232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28976605535 (or 28976605531 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The spelling of 231812844232 in words is "two hundred thirty-one billion, eight hundred twelve million, eight hundred forty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 28976605529 57953211058 115906422116 231812844232