Base | Representation |
---|---|
bin | 10111100110001111… |
… | …11101111101011100 |
3 | 1012200220202010122110 |
4 | 23303013331331130 |
5 | 201421213340001 |
6 | 5453042114020 |
7 | 625642522152 |
oct | 136307757534 |
9 | 35626663573 |
10 | 12668886876 |
11 | 5411290248 |
12 | 255694b910 |
13 | 126b8cc389 |
14 | 8827b73d2 |
15 | 4e23493d6 |
hex | 2f31fdf5c |
12668886876 has 48 divisors (see below), whose sum is σ = 30401544320. Its totient is φ = 4103161920.
The previous prime is 12668886871. The next prime is 12668886877. The reversal of 12668886876 is 67868886621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12668886871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308811 + ... + 347421.
Almost surely, 212668886876 is an apocalyptic number.
It is an amenable number.
12668886876 is an abundant number, since it is smaller than the sum of its proper divisors (17732657444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12668886876 is a wasteful number, since it uses less digits than its factorization.
12668886876 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39394 (or 39392 counting only the distinct ones).
The product of its digits is 74317824, while the sum is 66.
The spelling of 12668886876 in words is "twelve billion, six hundred sixty-eight million, eight hundred eighty-six thousand, eight hundred seventy-six".
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