Base | Representation |
---|---|
bin | 10111010101110100… |
… | …00100011011011011 |
3 | 1012100022100001120021 |
4 | 23222322010123123 |
5 | 201130420310002 |
6 | 5431235211311 |
7 | 622346650261 |
oct | 135272043333 |
9 | 35308301507 |
10 | 12531025627 |
11 | 535048a02a |
12 | 2518746b37 |
13 | 1249190683 |
14 | 86c36c431 |
15 | 4d51b6737 |
hex | 2eae846db |
12531025627 has 4 divisors (see below), whose sum is σ = 12541913856. Its totient is φ = 12520137400.
The previous prime is 12531025613. The next prime is 12531025681. The reversal of 12531025627 is 72652013521.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12531025627 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12531025592 and 12531025601.
It is not an unprimeable number, because it can be changed into a prime (12531025697) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 5442388 + ... + 5444689.
It is an arithmetic number, because the mean of its divisors is an integer number (3135478464).
Almost surely, 212531025627 is an apocalyptic number.
12531025627 is a deficient number, since it is larger than the sum of its proper divisors (10888229).
12531025627 is a wasteful number, since it uses less digits than its factorization.
12531025627 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10888228.
The product of its (nonzero) digits is 25200, while the sum is 34.
The spelling of 12531025627 in words is "twelve billion, five hundred thirty-one million, twenty-five thousand, six hundred twenty-seven".
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