Base | Representation |
---|---|
bin | 11101101011000001… |
… | …010010110100101001 |
3 | 10001020101201112101211 |
4 | 131223001102310221 |
5 | 1010222212204200 |
6 | 22345244113121 |
7 | 2205345563422 |
oct | 355301226451 |
9 | 101211645354 |
10 | 31860272425 |
11 | 1256a325263 |
12 | 6211b357a1 |
13 | 30098c9107 |
14 | 1783530649 |
15 | c670daaba |
hex | 76b052d29 |
31860272425 has 12 divisors (see below), whose sum is σ = 39511360000. Its totient is φ = 25485235920.
The previous prime is 31860272363. The next prime is 31860272453. The reversal of 31860272425 is 52427206813.
It is not a de Polignac number, because 31860272425 - 215 = 31860239657 is a prime.
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 11 ways as a sum of consecutive naturals, for example, 157576 + ... + 297574.
Almost surely, 231860272425 is an apocalyptic number.
It is an amenable number.
31860272425 is a deficient number, since it is larger than the sum of its proper divisors (7651087575).
31860272425 is a wasteful number, since it uses less digits than its factorization.
31860272425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149112 (or 149107 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 40.
The spelling of 31860272425 in words is "thirty-one billion, eight hundred sixty million, two hundred seventy-two thousand, four hundred twenty-five".
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