Base | Representation |
---|---|
bin | 10111011000101011… |
… | …00011100110101001 |
3 | 1012101222110111210001 |
4 | 23230111203212221 |
5 | 201203040232200 |
6 | 5433453223001 |
7 | 623060545051 |
oct | 135425434651 |
9 | 35358414701 |
10 | 12555008425 |
11 | 5362a7a723 |
12 | 2524791a61 |
13 | 125113988b |
14 | 871612561 |
15 | 4d735276a |
hex | 2ec5639a9 |
12555008425 has 12 divisors (see below), whose sum is σ = 16105046220. Its totient is φ = 9697661120.
The previous prime is 12555008407. The next prime is 12555008443. The reversal of 12555008425 is 52480055521.
It is an interprime number because it is at equal distance from previous prime (12555008407) and next prime (12555008443).
It can be written as a sum of positive squares in 6 ways, for example, as 112275216 + 12442733209 = 10596^2 + 111547^2 .
It is not a de Polignac number, because 12555008425 - 25 = 12555008393 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8657902 + ... + 8659351.
It is an arithmetic number, because the mean of its divisors is an integer number (1342087185).
Almost surely, 212555008425 is an apocalyptic number.
It is an amenable number.
12555008425 is a deficient number, since it is larger than the sum of its proper divisors (3550037795).
12555008425 is a wasteful number, since it uses less digits than its factorization.
12555008425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17317292 (or 17317287 counting only the distinct ones).
The product of its (nonzero) digits is 80000, while the sum is 37.
The spelling of 12555008425 in words is "twelve billion, five hundred fifty-five million, eight thousand, four hundred twenty-five".
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