Base | Representation |
---|---|
bin | 10111101010101101… |
… | …11011111010000101 |
3 | 1012210112021020001101 |
4 | 23311112323322011 |
5 | 202010312140221 |
6 | 5500501300101 |
7 | 626606215045 |
oct | 136526737205 |
9 | 35715236041 |
10 | 12706365061 |
11 | 5430459155 |
12 | 2567404631 |
13 | 12765c2110 |
14 | 887771725 |
15 | 4e579dd91 |
hex | 2f55bbe85 |
12706365061 has 16 divisors (see below), whose sum is σ = 13991790960. Its totient is φ = 11466524160.
The previous prime is 12706365059. The next prime is 12706365073. The reversal of 12706365061 is 16056360721.
It can be written as a sum of positive squares in 8 ways, for example, as 792100 + 12705572961 = 890^2 + 112719^2 .
It is not a de Polignac number, because 12706365061 - 21 = 12706365059 is a prime.
It is a super-2 number, since 2×127063650612 (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 12706365061.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12706365041) 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, 160795 + ... + 226423.
It is an arithmetic number, because the mean of its divisors is an integer number (874486935).
Almost surely, 212706365061 is an apocalyptic number.
It is an amenable number.
12706365061 is a deficient number, since it is larger than the sum of its proper divisors (1285425899).
12706365061 is a wasteful number, since it uses less digits than its factorization.
12706365061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65976.
The product of its (nonzero) digits is 45360, while the sum is 37.
The spelling of 12706365061 in words is "twelve billion, seven hundred six million, three hundred sixty-five thousand, sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •