Base | Representation |
---|---|
bin | 10111100100110010… |
… | …010111011101001000 |
3 | 2102100010100002011121 |
4 | 113210302113131020 |
5 | 403320142320000 |
6 | 15343450405024 |
7 | 1554200014051 |
oct | 274462273510 |
9 | 72303302147 |
10 | 25313245000 |
11 | a80a73769a |
12 | 4aa5430774 |
13 | 25053c0ba4 |
14 | 1321c07728 |
15 | 9d244ab1a |
hex | 5e4c97748 |
25313245000 has 40 divisors (see below), whose sum is σ = 59308944750. Its totient is φ = 10125296000.
The previous prime is 25313244997. The next prime is 25313245019. The reversal of 25313245000 is 54231352.
It can be written as a sum of positive squares in 5 ways, for example, as 1567051396 + 23746193604 = 39586^2 + 154098^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (25).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2526325 + ... + 2536324.
Almost surely, 225313245000 is an apocalyptic number.
25313245000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25313245000 is an abundant number, since it is smaller than the sum of its proper divisors (33995699750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25313245000 is an equidigital number, since it uses as much as digits as its factorization.
25313245000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5062675 (or 5062656 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
Adding to 25313245000 its reverse (54231352), we get a palindrome (25367476352).
The spelling of 25313245000 in words is "twenty-five billion, three hundred thirteen million, two hundred forty-five thousand".
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