Base | Representation |
---|---|
bin | 10111100001110011… |
… | …01001100111000010 |
3 | 1012121022112200222000 |
4 | 23300321221213002 |
5 | 201332141012244 |
6 | 5445230324430 |
7 | 625010436102 |
oct | 136071514702 |
9 | 35538480860 |
10 | 12631579074 |
11 | 53a2219354 |
12 | 2546359716 |
13 | 1263c6905a |
14 | 87b865202 |
15 | 4dde2a169 |
hex | 2f0e699c2 |
12631579074 has 32 divisors (see below), whose sum is σ = 28425504000. Its totient is φ = 4157227152.
The previous prime is 12631579057. The next prime is 12631579109. The reversal of 12631579074 is 47097513621.
12631579074 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 1 + 579 + 0 + 74 = 666.
12631579074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 15 ways as a sum of consecutive naturals, for example, 1476229 + ... + 1484760.
It is an arithmetic number, because the mean of its divisors is an integer number (888297000).
Almost surely, 212631579074 is an apocalyptic number.
12631579074 is an abundant number, since it is smaller than the sum of its proper divisors (15793924926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12631579074 is a wasteful number, since it uses less digits than its factorization.
12631579074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2961079 (or 2961073 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 45.
The spelling of 12631579074 in words is "twelve billion, six hundred thirty-one million, five hundred seventy-nine thousand, seventy-four".
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