Base | Representation |
---|---|
bin | 10111100001110000… |
… | …01100001111111111 |
3 | 1012121021211021101221 |
4 | 23300320030033333 |
5 | 201332041243141 |
6 | 5445214214211 |
7 | 625004254162 |
oct | 136070141777 |
9 | 35537737357 |
10 | 12631196671 |
11 | 53a1a88015 |
12 | 25461b4367 |
13 | 1263b63c92 |
14 | 87b7a5ad9 |
15 | 4ddda1bd1 |
hex | 2f0e0c3ff |
12631196671 has 2 divisors, whose sum is σ = 12631196672. Its totient is φ = 12631196670.
The previous prime is 12631196663. The next prime is 12631196681. The reversal of 12631196671 is 17669113621.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12631196671 - 23 = 12631196663 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12631196651) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315598335 + 6315598336.
It is an arithmetic number, because the mean of its divisors is an integer number (6315598336).
Almost surely, 212631196671 is an apocalyptic number.
12631196671 is a deficient number, since it is larger than the sum of its proper divisors (1).
12631196671 is an equidigital number, since it uses as much as digits as its factorization.
12631196671 is an evil number, because the sum of its binary digits is even.
The product of its digits is 81648, while the sum is 43.
The spelling of 12631196671 in words is "twelve billion, six hundred thirty-one million, one hundred ninety-six thousand, six hundred seventy-one".
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