Base | Representation |
---|---|
bin | 11000001000011111… |
… | …00011001001001100 |
3 | 1020102221011101221220 |
4 | 30010033203021030 |
5 | 203013224234420 |
6 | 5541341523340 |
7 | 636030630663 |
oct | 140417431114 |
9 | 36387141856 |
10 | 12956086860 |
11 | 5549411902 |
12 | 2616b73550 |
13 | 12b6267cb2 |
14 | 8ac9b7dda |
15 | 50c67a840 |
hex | 3043e324c |
12956086860 has 24 divisors (see below), whose sum is σ = 36277043376. Its totient is φ = 3454956480.
The previous prime is 12956086841. The next prime is 12956086873. The reversal of 12956086860 is 6868065921.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107967331 + ... + 107967450.
It is an arithmetic number, because the mean of its divisors is an integer number (1511543474).
Almost surely, 212956086860 is an apocalyptic number.
12956086860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12956086860 is an abundant number, since it is smaller than the sum of its proper divisors (23320956516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12956086860 is a wasteful number, since it uses less digits than its factorization.
12956086860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215934793 (or 215934791 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 51.
The spelling of 12956086860 in words is "twelve billion, nine hundred fifty-six million, eighty-six thousand, eight hundred sixty".
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