Base | Representation |
---|---|
bin | 11001001010110000… |
… | …01111010100111000 |
3 | 1021212200020101102002 |
4 | 30211120033110320 |
5 | 210133033404422 |
6 | 10112441200132 |
7 | 655561134143 |
oct | 144530172470 |
9 | 37780211362 |
10 | 13512013112 |
11 | 58041a7494 |
12 | 2751190048 |
13 | 13744a1a40 |
14 | 92276b05a |
15 | 54138e692 |
hex | 32560f538 |
13512013112 has 16 divisors (see below), whose sum is σ = 27283872840. Its totient is φ = 6236313696.
The previous prime is 13512013111. The next prime is 13512013133. The reversal of 13512013112 is 21131021531.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13512013111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64961498 + ... + 64961705.
Almost surely, 213512013112 is an apocalyptic number.
It is an amenable number.
13512013112 is an abundant number, since it is smaller than the sum of its proper divisors (13771859728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13512013112 is a wasteful number, since it uses less digits than its factorization.
13512013112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129923222 (or 129923218 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 20.
Adding to 13512013112 its reverse (21131021531), we get a palindrome (34643034643).
The spelling of 13512013112 in words is "thirteen billion, five hundred twelve million, thirteen thousand, one hundred twelve".
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