Base | Representation |
---|---|
bin | 10111101001000110… |
… | …01001111100100111 |
3 | 1012202120201121001022 |
4 | 23310203021330213 |
5 | 201443323303304 |
6 | 5455254321355 |
7 | 626352641543 |
oct | 136443117447 |
9 | 35676647038 |
10 | 12692791079 |
11 | 5423827891 |
12 | 256295925b |
13 | 127384b887 |
14 | 885a3aa23 |
15 | 4e44bbebe |
hex | 2f48c9f27 |
12692791079 has 16 divisors (see below), whose sum is σ = 13225766400. Its totient is φ = 12166363104.
The previous prime is 12692791057. The next prime is 12692791091. The reversal of 12692791079 is 97019729621.
It is a cyclic number.
It is not a de Polignac number, because 12692791079 - 216 = 12692725543 is a prime.
It is a super-2 number, since 2×126927910792 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12692791079.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12692791049) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 6386924 + ... + 6388910.
It is an arithmetic number, because the mean of its divisors is an integer number (826610400).
Almost surely, 212692791079 is an apocalyptic number.
12692791079 is a deficient number, since it is larger than the sum of its proper divisors (532975321).
12692791079 is a wasteful number, since it uses less digits than its factorization.
12692791079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3502.
The product of its (nonzero) digits is 857304, while the sum is 53.
The spelling of 12692791079 in words is "twelve billion, six hundred ninety-two million, seven hundred ninety-one thousand, seventy-nine".
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