Base | Representation |
---|---|
bin | 10111100011011011… |
… | …010100110101000000 |
3 | 2102021112101211201212 |
4 | 113203123110311000 |
5 | 403243322141322 |
6 | 15341313345252 |
7 | 1553502042254 |
oct | 274333246500 |
9 | 72245354655 |
10 | 25290427712 |
11 | a7a8872730 |
12 | 4a99868228 |
13 | 2500762334 |
14 | 131cb88264 |
15 | 9d04400e2 |
hex | 5e36d4d40 |
25290427712 has 56 divisors (see below), whose sum is σ = 54780058080. Its totient is φ = 11488924160.
The previous prime is 25290427711. The next prime is 25290427733. The reversal of 25290427712 is 21772409252.
It is a self number, because there is not a number n which added to its sum of digits gives 25290427712.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25290427711) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1311839 + ... + 1330977.
Almost surely, 225290427712 is an apocalyptic number.
25290427712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
25290427712 is an abundant number, since it is smaller than the sum of its proper divisors (29489630368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25290427712 is a wasteful number, since it uses less digits than its factorization.
25290427712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21039 (or 21029 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 41.
The spelling of 25290427712 in words is "twenty-five billion, two hundred ninety million, four hundred twenty-seven thousand, seven hundred twelve".
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