Base | Representation |
---|---|
bin | 10111100100101101… |
… | …101111110101001000 |
3 | 2102100001001120011012 |
4 | 113210231233311020 |
5 | 403314340042440 |
6 | 15343404423052 |
7 | 1554153511562 |
oct | 274455576510 |
9 | 72301046135 |
10 | 25312034120 |
11 | a809a8a96a |
12 | 4aa4b47a88 |
13 | 25050889a9 |
14 | 13219b0332 |
15 | 9d22abe65 |
hex | 5e4b6fd48 |
25312034120 has 32 divisors (see below), whose sum is σ = 56956678200. Its totient is φ = 10123995648.
The previous prime is 25312034113. The next prime is 25312034123. The reversal of 25312034120 is 2143021352.
It can be written as a sum of positive squares in 4 ways, for example, as 9406284196 + 15905749924 = 96986^2 + 126118^2 .
It is not an unprimeable number, because it can be changed into a prime (25312034123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825626 + ... + 855734.
Almost surely, 225312034120 is an apocalyptic number.
25312034120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25312034120 is an abundant number, since it is smaller than the sum of its proper divisors (31644644080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25312034120 is a wasteful number, since it uses less digits than its factorization.
25312034120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51137 (or 51133 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 25312034120 its reverse (2143021352), we get a palindrome (27455055472).
The spelling of 25312034120 in words is "twenty-five billion, three hundred twelve million, thirty-four thousand, one hundred twenty".
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