Base | Representation |
---|---|
bin | 10111100001010100… |
… | …010010110100100100 |
3 | 2102012001210110021102 |
4 | 113201110102310210 |
5 | 403210241430202 |
6 | 15334010535232 |
7 | 1552562133140 |
oct | 274124226444 |
9 | 72161713242 |
10 | 25255030052 |
11 | a78a89596a |
12 | 4a89a37518 |
13 | 24c631a585 |
14 | 13181b2220 |
15 | 9cc29bd02 |
hex | 5e1512d24 |
25255030052 has 48 divisors (see below), whose sum is σ = 53316170880. Its totient is φ = 10253844000.
The previous prime is 25255030027. The next prime is 25255030057. The reversal of 25255030052 is 25003055252.
It is a junction number, because it is equal to n+sod(n) for n = 25255029997 and 25255030024.
It is not an unprimeable number, because it can be changed into a prime (25255030057) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126302 + ... + 257802.
It is an arithmetic number, because the mean of its divisors is an integer number (1110753560).
Almost surely, 225255030052 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25255030052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26658085440).
25255030052 is an abundant number, since it is smaller than the sum of its proper divisors (28061140828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25255030052 is a wasteful number, since it uses less digits than its factorization.
25255030052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131569 (or 131529 counting only the distinct ones).
The product of its (nonzero) digits is 15000, while the sum is 29.
The spelling of 25255030052 in words is "twenty-five billion, two hundred fifty-five million, thirty thousand, fifty-two".
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