Base | Representation |
---|---|
bin | 10111111101000001… |
… | …01000010100001101 |
3 | 1020012020011200000221 |
4 | 23332200220110031 |
5 | 202314113314242 |
6 | 5524024151341 |
7 | 633452233213 |
oct | 137640502415 |
9 | 36166150027 |
10 | 12859901197 |
11 | 54aa096120 |
12 | 25aa908551 |
13 | 129c35b6c0 |
14 | 89dcdacb3 |
15 | 503ecb167 |
hex | 2fe82850d |
12859901197 has 64 divisors (see below), whose sum is σ = 16088357376. Its totient is φ = 10113269760.
The previous prime is 12859901191. The next prime is 12859901237. The reversal of 12859901197 is 79110995821.
It is not a de Polignac number, because 12859901197 - 27 = 12859901069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12859901191) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55192593 + ... + 55192825.
It is an arithmetic number, because the mean of its divisors is an integer number (251380584).
Almost surely, 212859901197 is an apocalyptic number.
It is an amenable number.
12859901197 is a deficient number, since it is larger than the sum of its proper divisors (3228456179).
12859901197 is a wasteful number, since it uses less digits than its factorization.
12859901197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 550.
The product of its (nonzero) digits is 408240, while the sum is 52.
The spelling of 12859901197 in words is "twelve billion, eight hundred fifty-nine million, nine hundred one thousand, one hundred ninety-seven".
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