Base | Representation |
---|---|
bin | 10111100111101101… |
… | …01010000011100011 |
3 | 1012201202202221201121 |
4 | 23303312222003203 |
5 | 201432332013430 |
6 | 5454200313111 |
7 | 626151536110 |
oct | 136366520343 |
9 | 35652687647 |
10 | 12681126115 |
11 | 541818a819 |
12 | 255aa72797 |
13 | 12712c6228 |
14 | 884281907 |
15 | 4e3465a7a |
hex | 2f3daa0e3 |
12681126115 has 32 divisors (see below), whose sum is σ = 18577330560. Its totient is φ = 8111652864.
The previous prime is 12681126103. The next prime is 12681126131. The reversal of 12681126115 is 51162118621.
It is not a de Polignac number, because 12681126115 - 25 = 12681126083 is a prime.
It is an unprimeable number.
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, 27070 + ... + 161539.
It is an arithmetic number, because the mean of its divisors is an integer number (580541580).
Almost surely, 212681126115 is an apocalyptic number.
12681126115 is a deficient number, since it is larger than the sum of its proper divisors (5896204445).
12681126115 is a wasteful number, since it uses less digits than its factorization.
12681126115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188751.
The product of its digits is 5760, while the sum is 34.
The spelling of 12681126115 in words is "twelve billion, six hundred eighty-one million, one hundred twenty-six thousand, one hundred fifteen".
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