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231456252032 = 276473279353
BaseRepresentation
bin1101011110001111011…
…1100010000010000000
3211010102120202212002222
43113203313202002000
512243010300031112
6254155102430212
722502462452415
oct3274367420200
9733376685088
10231456252032
118a184024a05
1238a36292368
1318a982c9a65
14b2b9ac210c
156049d55372
hex35e3de2080

231456252032 has 32 divisors (see below), whose sum is σ = 461177137980. Its totient is φ = 115709833216.

The previous prime is 231456251993. The next prime is 231456252047. The reversal of 231456252032 is 230252654132.

It can be written as a sum of positive squares in 2 ways, for example, as 224622915136 + 6833336896 = 473944^2 + 82664^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 231456251983 and 231456252001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688868 + ... + 968220.

Almost surely, 2231456252032 is an apocalyptic number.

It is an amenable number.

231456252032 is a deficient number, since it is larger than the sum of its proper divisors (229720885948).

231456252032 is an equidigital number, since it uses as much as digits as its factorization.

231456252032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285840 (or 285828 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 231456252032 in words is "two hundred thirty-one billion, four hundred fifty-six million, two hundred fifty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 128 6473 12946 25892 51784 103568 207136 279353 414272 558706 828544 1117412 2234824 4469648 8939296 17878592 35757184 1808251969 3616503938 7233007876 14466015752 28932031504 57864063008 115728126016 231456252032