Base | Representation |
---|---|
bin | 10111010110001101… |
… | …00111011110110011 |
3 | 1012100112112011122100 |
4 | 23223012213132303 |
5 | 201132241034211 |
6 | 5431433511443 |
7 | 622416630135 |
oct | 135306473663 |
9 | 35315464570 |
10 | 12534314931 |
11 | 5352326366 |
12 | 2519872583 |
13 | 1249a728c8 |
14 | 86c987055 |
15 | 4d5616156 |
hex | 2eb1a77b3 |
12534314931 has 48 divisors (see below), whose sum is σ = 19355544000. Its totient is φ = 7788939264.
The previous prime is 12534314887. The next prime is 12534314987. The reversal of 12534314931 is 13941343521.
12534314931 is a `hidden beast` number, since 1 + 2 + 534 + 31 + 4 + 93 + 1 = 666.
It is not a de Polignac number, because 12534314931 - 26 = 12534314867 is a prime.
It is a super-2 number, since 2×125343149312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12534313931) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11101575 + ... + 11102703.
It is an arithmetic number, because the mean of its divisors is an integer number (403240500).
Almost surely, 212534314931 is an apocalyptic number.
12534314931 is a deficient number, since it is larger than the sum of its proper divisors (6821229069).
12534314931 is a wasteful number, since it uses less digits than its factorization.
12534314931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1788 (or 1785 counting only the distinct ones).
The product of its digits is 38880, while the sum is 36.
The spelling of 12534314931 in words is "twelve billion, five hundred thirty-four million, three hundred fourteen thousand, nine hundred thirty-one".
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