Base | Representation |
---|---|
bin | 10111010011001111… |
… | …01010110101010111 |
3 | 1012021210200122001102 |
4 | 23221213222311113 |
5 | 201104403044413 |
6 | 5425144220315 |
7 | 621665233526 |
oct | 135147526527 |
9 | 35253618042 |
10 | 12509424983 |
11 | 533a276160 |
12 | 251146a69b |
13 | 1244869823 |
14 | 8695484bd |
15 | 4d334b458 |
hex | 2e99ead57 |
12509424983 has 16 divisors (see below), whose sum is σ = 13714816416. Its totient is φ = 11315514240.
The previous prime is 12509424923. The next prime is 12509425021. The reversal of 12509424983 is 38942490521.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 12509424983 - 28 = 12509424727 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12509424923) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2596685 + ... + 2601497.
It is an arithmetic number, because the mean of its divisors is an integer number (857176026).
Almost surely, 212509424983 is an apocalyptic number.
12509424983 is a deficient number, since it is larger than the sum of its proper divisors (1205391433).
12509424983 is a wasteful number, since it uses less digits than its factorization.
12509424983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5954.
The product of its (nonzero) digits is 622080, while the sum is 47.
The spelling of 12509424983 in words is "twelve billion, five hundred nine million, four hundred twenty-four thousand, nine hundred eighty-three".
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