Base | Representation |
---|---|
bin | 10111111101101101… |
… | …101110000001010000 |
3 | 2110102021021110022210 |
4 | 113331231232001100 |
5 | 410144223111404 |
6 | 15453150232120 |
7 | 1600435530243 |
oct | 277555560120 |
9 | 73367243283 |
10 | 25731457104 |
11 | aa04811631 |
12 | 4ba14b5640 |
13 | 2570c3ab82 |
14 | 136158d25a |
15 | a0900a689 |
hex | 5fdb6e050 |
25731457104 has 80 divisors (see below), whose sum is σ = 69998297600. Its totient is φ = 8122612608.
The previous prime is 25731457079. The next prime is 25731457111. The reversal of 25731457104 is 40175413752.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4030587 + ... + 4036965.
It is an arithmetic number, because the mean of its divisors is an integer number (874978720).
Almost surely, 225731457104 is an apocalyptic number.
25731457104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
25731457104 is an abundant number, since it is smaller than the sum of its proper divisors (44266840496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25731457104 is a wasteful number, since it uses less digits than its factorization.
25731457104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10832 (or 10826 counting only the distinct ones).
The product of its (nonzero) digits is 117600, while the sum is 39.
The spelling of 25731457104 in words is "twenty-five billion, seven hundred thirty-one million, four hundred fifty-seven thousand, one hundred four".
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