Base | Representation |
---|---|
bin | 10111101011000001… |
… | …01000101011010010 |
3 | 1012210201001101221022 |
4 | 23311200220223102 |
5 | 202011440021410 |
6 | 5501031555442 |
7 | 626636635061 |
oct | 136540505322 |
9 | 35721041838 |
10 | 12708907730 |
11 | 5431935532 |
12 | 256822bb82 |
13 | 1276ca255c |
14 | 887c341d8 |
15 | 4e5b02455 |
hex | 2f5828ad2 |
12708907730 has 32 divisors (see below), whose sum is σ = 23423071104. Its totient is φ = 4963343616.
The previous prime is 12708907723. The next prime is 12708907751. The reversal of 12708907730 is 3770980721.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8222 + ... + 159641.
It is an arithmetic number, because the mean of its divisors is an integer number (731970972).
Almost surely, 212708907730 is an apocalyptic number.
12708907730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12708907730 is a deficient number, since it is larger than the sum of its proper divisors (10714163374).
12708907730 is a wasteful number, since it uses less digits than its factorization.
12708907730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168050.
The product of its (nonzero) digits is 148176, while the sum is 44.
The spelling of 12708907730 in words is "twelve billion, seven hundred eight million, nine hundred seven thousand, seven hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •