Base | Representation |
---|---|
bin | 10111010111010111… |
… | …11101110000100000 |
3 | 1012101012221120210011 |
4 | 23223223331300200 |
5 | 201142242334004 |
6 | 5432423414304 |
7 | 622566065110 |
oct | 135353756040 |
9 | 35335846704 |
10 | 12544105504 |
11 | 5357903147 |
12 | 2520bb4394 |
13 | 124bac0048 |
14 | 86ddb5040 |
15 | 4d63ec004 |
hex | 2ebafdc20 |
12544105504 has 48 divisors (see below), whose sum is σ = 28238813568. Its totient is φ = 5373268992.
The previous prime is 12544105499. The next prime is 12544105531. The reversal of 12544105504 is 40550144521.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454072 + ... + 480904.
It is an arithmetic number, because the mean of its divisors is an integer number (588308616).
Almost surely, 212544105504 is an apocalyptic number.
12544105504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12544105504 is an abundant number, since it is smaller than the sum of its proper divisors (15694708064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12544105504 is a wasteful number, since it uses less digits than its factorization.
12544105504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28937 (or 28929 counting only the distinct ones).
The product of its (nonzero) digits is 16000, while the sum is 31.
The spelling of 12544105504 in words is "twelve billion, five hundred forty-four million, one hundred five thousand, five hundred four".
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