Base | Representation |
---|---|
bin | 10111100001000001… |
… | …001100111000101000 |
3 | 2102011201101011122010 |
4 | 113201001030320220 |
5 | 403203001300000 |
6 | 15333311355520 |
7 | 1552501446144 |
oct | 274101147050 |
9 | 72151334563 |
10 | 25250025000 |
11 | a787a87562 |
12 | 4a88222ba0 |
13 | 24c52873c5 |
14 | 131766c224 |
15 | 9cbb0dd50 |
hex | 5e104ce28 |
25250025000 has 96 divisors (see below), whose sum is σ = 78901512480. Its totient is φ = 6733320000.
The previous prime is 25250024981. The next prime is 25250025007. The reversal of 25250025000 is 52005252.
It is not an unprimeable number, because it can be changed into a prime (25250025007) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93334 + ... + 243333.
It is an arithmetic number, because the mean of its divisors is an integer number (821890755).
Almost surely, 225250025000 is an apocalyptic number.
25250025000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25250025000 is an abundant number, since it is smaller than the sum of its proper divisors (53651487480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25250025000 is an equidigital number, since it uses as much as digits as its factorization.
25250025000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336701 (or 336677 counting only the distinct ones).
The product of its (nonzero) digits is 1000, while the sum is 21.
The spelling of 25250025000 in words is "twenty-five billion, two hundred fifty million, twenty-five thousand".
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