Base | Representation |
---|---|
bin | 11000001100101100… |
… | …011110110011011000 |
3 | 2111001210012112102212 |
4 | 120030230132303120 |
5 | 411203043301442 |
6 | 15534125214252 |
7 | 1606610035613 |
oct | 301454366330 |
9 | 74053175385 |
10 | 25982790872 |
11 | 10023676395 |
12 | 5051701388 |
13 | 25b102968c |
14 | 1386ad517a |
15 | a21104a82 |
hex | 60cb1ecd8 |
25982790872 has 16 divisors (see below), whose sum is σ = 48721480560. Its totient is φ = 12990396064.
The previous prime is 25982790817. The next prime is 25982790917. The reversal of 25982790872 is 27809728952.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7988 + ... + 228099.
It is an arithmetic number, because the mean of its divisors is an integer number (3045092535).
Almost surely, 225982790872 is an apocalyptic number.
It is an amenable number.
25982790872 is a deficient number, since it is larger than the sum of its proper divisors (22738689688).
25982790872 is a wasteful number, since it uses less digits than its factorization.
25982790872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249850 (or 249846 counting only the distinct ones).
The product of its (nonzero) digits is 10160640, while the sum is 59.
The spelling of 25982790872 in words is "twenty-five billion, nine hundred eighty-two million, seven hundred ninety thousand, eight hundred seventy-two".
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