Base | Representation |
---|---|
bin | 11000011011001000… |
… | …10001011111011101 |
3 | 1020211211111202101010 |
4 | 30031210101133131 |
5 | 203323300431100 |
6 | 10005050405433 |
7 | 642640351215 |
oct | 141544213735 |
9 | 36754452333 |
10 | 13112514525 |
11 | 5619744270 |
12 | 265b430879 |
13 | 130c7a7746 |
14 | 8c5697245 |
15 | 51b279750 |
hex | 30d9117dd |
13112514525 has 24 divisors (see below), whose sum is σ = 23650209504. Its totient is φ = 6357582400.
The previous prime is 13112514523. The next prime is 13112514533. The reversal of 13112514525 is 52541521131.
It is not a de Polignac number, because 13112514525 - 21 = 13112514523 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13112514492 and 13112514501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13112514523) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7946154 + ... + 7947803.
It is an arithmetic number, because the mean of its divisors is an integer number (985425396).
Almost surely, 213112514525 is an apocalyptic number.
13112514525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13112514525 is a deficient number, since it is larger than the sum of its proper divisors (10537694979).
13112514525 is a wasteful number, since it uses less digits than its factorization.
13112514525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15893981 (or 15893976 counting only the distinct ones).
The product of its digits is 6000, while the sum is 30.
The spelling of 13112514525 in words is "thirteen billion, one hundred twelve million, five hundred fourteen thousand, five hundred twenty-five".
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