Base | Representation |
---|---|
bin | 10111101011000111… |
… | …11100010111010110 |
3 | 1012210202200110100020 |
4 | 23311203330113112 |
5 | 202012200243211 |
6 | 5501102330010 |
7 | 626650206021 |
oct | 136543742726 |
9 | 35722613306 |
10 | 12709774806 |
11 | 5432377a23 |
12 | 2568589906 |
13 | 1277217111 |
14 | 887dbc1b8 |
15 | 4e5c24306 |
hex | 2f58fc5d6 |
12709774806 has 16 divisors (see below), whose sum is σ = 25421078448. Its totient is φ = 4236336800.
The previous prime is 12709774729. The next prime is 12709774817. The reversal of 12709774806 is 60847790721.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64096 + ... + 171836.
It is an arithmetic number, because the mean of its divisors is an integer number (1588817403).
Almost surely, 212709774806 is an apocalyptic number.
12709774806 is an abundant number, since it is smaller than the sum of its proper divisors (12711303642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12709774806 is a wasteful number, since it uses less digits than its factorization.
12709774806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127407.
The product of its (nonzero) digits is 1185408, while the sum is 51.
The spelling of 12709774806 in words is "twelve billion, seven hundred nine million, seven hundred seventy-four thousand, eight hundred six".
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