Base | Representation |
---|---|
bin | 10111101010111001… |
… | …11011000001010011 |
3 | 1012210122012221122000 |
4 | 23311130323001103 |
5 | 202011212344131 |
6 | 5500555045043 |
7 | 626625442053 |
oct | 136534730123 |
9 | 35718187560 |
10 | 12707934291 |
11 | 5431330138 |
12 | 2567a40783 |
13 | 1276a21460 |
14 | 887a5d563 |
15 | 4e59adce6 |
hex | 2f573b053 |
12707934291 has 32 divisors (see below), whose sum is σ = 20291927040. Its totient is φ = 7813648800.
The previous prime is 12707934289. The next prime is 12707934311. The reversal of 12707934291 is 19243970721.
12707934291 is a `hidden beast` number, since 1 + 270 + 7 + 93 + 4 + 291 = 666.
It is not a de Polignac number, because 12707934291 - 21 = 12707934289 is a prime.
It is a super-2 number, since 2×127079342912 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12707934221) 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 31 ways as a sum of consecutive naturals, for example, 417376 + ... + 446786.
It is an arithmetic number, because the mean of its divisors is an integer number (634122720).
Almost surely, 212707934291 is an apocalyptic number.
12707934291 is a deficient number, since it is larger than the sum of its proper divisors (7583992749).
12707934291 is a wasteful number, since it uses less digits than its factorization.
12707934291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30664 (or 30658 counting only the distinct ones).
The product of its (nonzero) digits is 190512, while the sum is 45.
The spelling of 12707934291 in words is "twelve billion, seven hundred seven million, nine hundred thirty-four thousand, two hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •