Base | Representation |
---|---|
bin | 1101011110001111011… |
… | …1100010000010000000 |
3 | 211010102120202212002222 |
4 | 3113203313202002000 |
5 | 12243010300031112 |
6 | 254155102430212 |
7 | 22502462452415 |
oct | 3274367420200 |
9 | 733376685088 |
10 | 231456252032 |
11 | 8a184024a05 |
12 | 38a36292368 |
13 | 18a982c9a65 |
14 | b2b9ac210c |
15 | 6049d55372 |
hex | 35e3de2080 |
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".
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