Base | Representation |
---|---|
bin | 10111111011100101… |
… | …00010010011111000 |
3 | 1020011101102202222020 |
4 | 23331302202103320 |
5 | 202303020133401 |
6 | 5522513154440 |
7 | 633244436160 |
oct | 137562422370 |
9 | 36141382866 |
10 | 12847817976 |
11 | 54a3292894 |
12 | 25a685ba20 |
13 | 12999ba876 |
14 | 89c4735a0 |
15 | 502de0d36 |
hex | 2fdca24f8 |
12847817976 has 64 divisors (see below), whose sum is σ = 36716494080. Its totient is φ = 3669960960.
The previous prime is 12847817929. The next prime is 12847817981. The reversal of 12847817976 is 67971874821.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316796 + ... + 1326516.
It is an arithmetic number, because the mean of its divisors is an integer number (573695220).
Almost surely, 212847817976 is an apocalyptic number.
It is an amenable number.
12847817976 is an abundant number, since it is smaller than the sum of its proper divisors (23868676104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12847817976 is a wasteful number, since it uses less digits than its factorization.
12847817976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17604 (or 17600 counting only the distinct ones).
The product of its digits is 9483264, while the sum is 60.
The spelling of 12847817976 in words is "twelve billion, eight hundred forty-seven million, eight hundred seventeen thousand, nine hundred seventy-six".
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