Base | Representation |
---|---|
bin | 10111011100101111… |
… | …10110010100010000 |
3 | 1012111100201210010122 |
4 | 23232113312110100 |
5 | 201240311220132 |
6 | 5441113245412 |
7 | 623654061302 |
oct | 135627662420 |
9 | 35440653118 |
10 | 12589163792 |
11 | 53802890a7 |
12 | 2534103868 |
13 | 125823805a |
14 | 875d83972 |
15 | 4da34c912 |
hex | 2ee5f6510 |
12589163792 has 40 divisors (see below), whose sum is σ = 25688638560. Its totient is φ = 5960183040.
The previous prime is 12589163791. The next prime is 12589163801. The reversal of 12589163792 is 29736198521.
It is not an unprimeable number, because it can be changed into a prime (12589163791) 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, 638108 + ... + 657540.
It is an arithmetic number, because the mean of its divisors is an integer number (642215964).
Almost surely, 212589163792 is an apocalyptic number.
It is an amenable number.
12589163792 is an abundant number, since it is smaller than the sum of its proper divisors (13099474768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12589163792 is a wasteful number, since it uses less digits than its factorization.
12589163792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21591 (or 21585 counting only the distinct ones).
The product of its digits is 1632960, while the sum is 53.
The spelling of 12589163792 in words is "twelve billion, five hundred eighty-nine million, one hundred sixty-three thousand, seven hundred ninety-two".
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