Base | Representation |
---|---|
bin | 10111101111111110… |
… | …01101001001110110 |
3 | 1012220121021021201221 |
4 | 23313333031021312 |
5 | 202103110212034 |
6 | 5505114540554 |
7 | 630653154052 |
oct | 136777151166 |
9 | 35817237657 |
10 | 12750475894 |
11 | 5453347292 |
12 | 257a13775a |
13 | 1282797ac0 |
14 | 88d574c62 |
15 | 4e95b3bb4 |
hex | 2f7fcd276 |
12750475894 has 16 divisors (see below), whose sum is σ = 21261340800. Its totient is φ = 5695001280.
The previous prime is 12750475883. The next prime is 12750475919. The reversal of 12750475894 is 49857405721.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7908919 + ... + 7910530.
It is an arithmetic number, because the mean of its divisors is an integer number (1328833800).
Almost surely, 212750475894 is an apocalyptic number.
12750475894 is a deficient number, since it is larger than the sum of its proper divisors (8510864906).
12750475894 is a wasteful number, since it uses less digits than its factorization.
12750475894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15819495.
The product of its (nonzero) digits is 2822400, while the sum is 52.
The spelling of 12750475894 in words is "twelve billion, seven hundred fifty million, four hundred seventy-five thousand, eight hundred ninety-four".
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