Base | Representation |
---|---|
bin | 10110101000101100… |
… | …01010000111010011 |
3 | 1011100221002121211022 |
4 | 23110112022013103 |
5 | 144342020403404 |
6 | 5325514310055 |
7 | 610102440665 |
oct | 132426120723 |
9 | 34327077738 |
10 | 12152512979 |
11 | 517685a962 |
12 | 2431a2832b |
13 | 11b89334a9 |
14 | 833d9c535 |
15 | 4b1d498be |
hex | 2d458a1d3 |
12152512979 has 2 divisors, whose sum is σ = 12152512980. Its totient is φ = 12152512978.
The previous prime is 12152512973. The next prime is 12152513039. The reversal of 12152512979 is 97921525121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12152512979 - 24 = 12152512963 is a prime.
It is not a weakly prime, because it can be changed into another prime (12152512973) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6076256489 + 6076256490.
It is an arithmetic number, because the mean of its divisors is an integer number (6076256490).
Almost surely, 212152512979 is an apocalyptic number.
12152512979 is a deficient number, since it is larger than the sum of its proper divisors (1).
12152512979 is an equidigital number, since it uses as much as digits as its factorization.
12152512979 is an evil number, because the sum of its binary digits is even.
The product of its digits is 113400, while the sum is 44.
The spelling of 12152512979 in words is "twelve billion, one hundred fifty-two million, five hundred twelve thousand, nine hundred seventy-nine".
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