Base | Representation |
---|---|
bin | 11000001101010101… |
… | …11000100011010000 |
3 | 1020112202210012022012 |
4 | 30012222320203100 |
5 | 203104140304424 |
6 | 5545354402052 |
7 | 640034015126 |
oct | 140652704320 |
9 | 36482705265 |
10 | 12996806864 |
11 | 556a3a43a8 |
12 | 2628730328 |
13 | 12c1824482 |
14 | 8b4177916 |
15 | 511020b0e |
hex | 306ab88d0 |
12996806864 has 20 divisors (see below), whose sum is σ = 25557155904. Its totient is φ = 6401411808.
The previous prime is 12996806843. The next prime is 12996806891. The reversal of 12996806864 is 46860869921.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060872 + ... + 6063015.
Almost surely, 212996806864 is an apocalyptic number.
It is an amenable number.
12996806864 is a deficient number, since it is larger than the sum of its proper divisors (12560349040).
12996806864 is a wasteful number, since it uses less digits than its factorization.
12996806864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12123962 (or 12123956 counting only the distinct ones).
The product of its (nonzero) digits is 8957952, while the sum is 59.
The spelling of 12996806864 in words is "twelve billion, nine hundred ninety-six million, eight hundred six thousand, eight hundred sixty-four".
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