Base | Representation |
---|---|
bin | 10111010111011101… |
… | …100010100110000111 |
3 | 2101202112122220010001 |
4 | 113113131202212013 |
5 | 402340424304144 |
6 | 15305342542131 |
7 | 1545513530230 |
oct | 272735424607 |
9 | 71675586101 |
10 | 25089681799 |
11 | a705520316 |
12 | 4a42597947 |
13 | 249aca6680 |
14 | 1300250087 |
15 | 9bc9d9bd4 |
hex | 5d7762987 |
25089681799 has 32 divisors (see below), whose sum is σ = 32053948416. Its totient is φ = 19110107520.
The previous prime is 25089681769. The next prime is 25089681823. The reversal of 25089681799 is 99718698052.
It is not a de Polignac number, because 25089681799 - 27 = 25089681671 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 25089681799.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25089681739) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212814 + ... + 308980.
It is an arithmetic number, because the mean of its divisors is an integer number (1001685888).
Almost surely, 225089681799 is an apocalyptic number.
25089681799 is a deficient number, since it is larger than the sum of its proper divisors (6964266617).
25089681799 is a wasteful number, since it uses less digits than its factorization.
25089681799 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96295.
The product of its (nonzero) digits is 19595520, while the sum is 64.
The spelling of 25089681799 in words is "twenty-five billion, eighty-nine million, six hundred eighty-one thousand, seven hundred ninety-nine".
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