Base | Representation |
---|---|
bin | 10111101111001111… |
… | …01100111111010100 |
3 | 1012220011200021100121 |
4 | 23313213230333110 |
5 | 202100021033321 |
6 | 5504334521324 |
7 | 630546613561 |
oct | 136747547724 |
9 | 35804607317 |
10 | 12744314836 |
11 | 544a919400 |
12 | 2578066244 |
13 | 128141b6c6 |
14 | 88c80d868 |
15 | 4e8c98441 |
hex | 2f79ecfd4 |
12744314836 has 72 divisors (see below), whose sum is σ = 24931018112. Its totient is φ = 5695272000.
The previous prime is 12744314813. The next prime is 12744314837. The reversal of 12744314836 is 63841344721.
It is a junction number, because it is equal to n+sod(n) for n = 12744314792 and 12744314801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12744314837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7526806 + ... + 7528498.
Almost surely, 212744314836 is an apocalyptic number.
It is an amenable number.
12744314836 is a deficient number, since it is larger than the sum of its proper divisors (12186703276).
12744314836 is a wasteful number, since it uses less digits than its factorization.
12744314836 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1973 (or 1960 counting only the distinct ones).
The product of its digits is 387072, while the sum is 43.
The spelling of 12744314836 in words is "twelve billion, seven hundred forty-four million, three hundred fourteen thousand, eight hundred thirty-six".
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