Base | Representation |
---|---|
bin | 11000000100001001… |
… | …01001101111011010 |
3 | 1020100101122112110120 |
4 | 30002010221233122 |
5 | 202424414111431 |
6 | 5534001254110 |
7 | 635106301326 |
oct | 140204515732 |
9 | 36311575416 |
10 | 12919675866 |
11 | 552a902779 |
12 | 2606934336 |
13 | 12ab859c26 |
14 | 8a7c1a986 |
15 | 509387196 |
hex | 302129bda |
12919675866 has 32 divisors (see below), whose sum is σ = 26065800000. Its totient is φ = 4268935680.
The previous prime is 12919675807. The next prime is 12919675871. The reversal of 12919675866 is 66857691921.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431626 + ... + 460586.
It is an arithmetic number, because the mean of its divisors is an integer number (814556250).
Almost surely, 212919675866 is an apocalyptic number.
12919675866 is an abundant number, since it is smaller than the sum of its proper divisors (13146124134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12919675866 is a wasteful number, since it uses less digits than its factorization.
12919675866 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29614.
The product of its digits is 9797760, while the sum is 60.
The spelling of 12919675866 in words is "twelve billion, nine hundred nineteen million, six hundred seventy-five thousand, eight hundred sixty-six".
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