Base | Representation |
---|---|
bin | 10111101011101110… |
… | …10001111111001101 |
3 | 1012211010020000010012 |
4 | 23311313101333031 |
5 | 202020000002414 |
6 | 5501403123005 |
7 | 630041251232 |
oct | 136567217715 |
9 | 35733200105 |
10 | 12714844109 |
11 | 543521a630 |
12 | 256a213465 |
13 | 12782a05c6 |
14 | 88893b789 |
15 | 4e63c633e |
hex | 2f5dd1fcd |
12714844109 has 16 divisors (see below), whose sum is σ = 14219561664. Its totient is φ = 11268681600.
The previous prime is 12714844067. The next prime is 12714844123. The reversal of 12714844109 is 90144841721.
It is a de Polignac number, because none of the positive numbers 2k-12714844109 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12714844139) 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 15 ways as a sum of consecutive naturals, for example, 645602 + ... + 665004.
It is an arithmetic number, because the mean of its divisors is an integer number (888722604).
Almost surely, 212714844109 is an apocalyptic number.
It is an amenable number.
12714844109 is a deficient number, since it is larger than the sum of its proper divisors (1504717555).
12714844109 is a wasteful number, since it uses less digits than its factorization.
12714844109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20908.
The product of its (nonzero) digits is 64512, while the sum is 41.
The spelling of 12714844109 in words is "twelve billion, seven hundred fourteen million, eight hundred forty-four thousand, one hundred nine".
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