Base | Representation |
---|---|
bin | 11000000000000111… |
… | …01010100111010011 |
3 | 1020021001000122202021 |
4 | 30000003222213103 |
5 | 202342240102432 |
6 | 5530352432311 |
7 | 634216012213 |
oct | 140003524723 |
9 | 36231018667 |
10 | 12885862867 |
11 | 5512808549 |
12 | 25b7548697 |
13 | 12a484b537 |
14 | 8a3538243 |
15 | 506408697 |
hex | 3000ea9d3 |
12885862867 has 2 divisors, whose sum is σ = 12885862868. Its totient is φ = 12885862866.
The previous prime is 12885862823. The next prime is 12885862937. The reversal of 12885862867 is 76826858821.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12885862867 is a prime.
It is not a weakly prime, because it can be changed into another prime (12885866867) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6442931433 + 6442931434.
It is an arithmetic number, because the mean of its divisors is an integer number (6442931434).
Almost surely, 212885862867 is an apocalyptic number.
12885862867 is a deficient number, since it is larger than the sum of its proper divisors (1).
12885862867 is an equidigital number, since it uses as much as digits as its factorization.
12885862867 is an evil number, because the sum of its binary digits is even.
The product of its digits is 20643840, while the sum is 61.
The spelling of 12885862867 in words is "twelve billion, eight hundred eighty-five million, eight hundred sixty-two thousand, eight hundred sixty-seven".
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