Base | Representation |
---|---|
bin | 10111111110111110… |
… | …010010100100010101 |
3 | 2110110202000112012020 |
4 | 113332332102210111 |
5 | 410220130001300 |
6 | 15455223043353 |
7 | 1601113206165 |
oct | 277676224425 |
9 | 73422015166 |
10 | 25752578325 |
11 | aa15728291 |
12 | 4ba85a0559 |
13 | 2575424736 |
14 | 13642ca5a5 |
15 | a0accd8a0 |
hex | 5fef92915 |
25752578325 has 12 divisors (see below), whose sum is σ = 42577596288. Its totient is φ = 13734708400.
The previous prime is 25752578317. The next prime is 25752578329. The reversal of 25752578325 is 52387525752.
It is not a de Polignac number, because 25752578325 - 23 = 25752578317 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25752578329) 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, 171683781 + ... + 171683930.
It is an arithmetic number, because the mean of its divisors is an integer number (3548133024).
Almost surely, 225752578325 is an apocalyptic number.
25752578325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25752578325 is a deficient number, since it is larger than the sum of its proper divisors (16825017963).
25752578325 is a wasteful number, since it uses less digits than its factorization.
25752578325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343367724 (or 343367719 counting only the distinct ones).
The product of its digits is 5880000, while the sum is 51.
The spelling of 25752578325 in words is "twenty-five billion, seven hundred fifty-two million, five hundred seventy-eight thousand, three hundred twenty-five".
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