Base | Representation |
---|---|
bin | 10111010010001010… |
… | …111101011101001000 |
3 | 2101112100122120200012 |
4 | 113102022331131020 |
5 | 402200214100000 |
6 | 15252452331052 |
7 | 1543355233112 |
oct | 272212753510 |
9 | 71470576605 |
10 | 25000925000 |
11 | a66a408a97 |
12 | 4a18913a88 |
13 | 248579b55c |
14 | 12d25483b2 |
15 | 9b4d06735 |
hex | 5d22bd748 |
25000925000 has 48 divisors (see below), whose sum is σ = 58592226420. Its totient is φ = 10000360000.
The previous prime is 25000924987. The next prime is 25000925003. The reversal of 25000925000 is 52900052.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 231831076 + 24769093924 = 15226^2 + 157382^2 .
25000925000 is a modest number, since divided by 925000 gives 25000 as remainder.
It is not an unprimeable number, because it can be changed into a prime (25000925003) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475019 + ... + 525018.
Almost surely, 225000925000 is an apocalyptic number.
25000925000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25000925000 is an abundant number, since it is smaller than the sum of its proper divisors (33591301420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25000925000 is an equidigital number, since it uses as much as digits as its factorization.
25000925000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1000068 (or 1000044 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 23.
The spelling of 25000925000 in words is "twenty-five billion, nine hundred twenty-five thousand".
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