Base | Representation |
---|---|
bin | 11000000111101000… |
… | …100100100100101100 |
3 | 2110211212102121102021 |
4 | 120013220210210230 |
5 | 411014324123402 |
6 | 15521453235524 |
7 | 1604526226615 |
oct | 300750444454 |
9 | 73755377367 |
10 | 25897879852 |
11 | aa8a750499 |
12 | 5029192ba4 |
13 | 2599569b80 |
14 | 1379710c0c |
15 | a18930d37 |
hex | 607a2492c |
25897879852 has 96 divisors (see below), whose sum is σ = 52383038400. Its totient is φ = 11104128000.
The previous prime is 25897879811. The next prime is 25897879853.
25897879852 is nontrivially palindromic in base 10.
It is not an unprimeable number, because it can be changed into a prime (25897879853) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10875702 + ... + 10878082.
It is an arithmetic number, because the mean of its divisors is an integer number (545656650).
Almost surely, 225897879852 is an apocalyptic number.
It is an amenable number.
25897879852 is an abundant number, since it is smaller than the sum of its proper divisors (26485158548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25897879852 is a wasteful number, since it uses less digits than its factorization.
25897879852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2627 (or 2625 counting only the distinct ones).
The product of its digits is 203212800, while the sum is 70.
The spelling of 25897879852 in words is "twenty-five billion, eight hundred ninety-seven million, eight hundred seventy-nine thousand, eight hundred fifty-two".
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