Base | Representation |
---|---|
bin | 1011101001011101000110… |
… | …0100111100100101101101 |
3 | 1200100022121212021020221022 |
4 | 2322113101210330211231 |
5 | 3134311323242223002 |
6 | 43123211410143525 |
7 | 2461155531516305 |
oct | 272272144744555 |
9 | 50308555236838 |
10 | 12806813632877 |
11 | 4098380471850 |
12 | 152a067b81ba5 |
13 | 71b8a617c194 |
14 | 323bd2c2a605 |
15 | 1732044b6ba2 |
hex | ba5d193c96d |
12806813632877 has 32 divisors (see below), whose sum is σ = 14784716419200. Its totient is φ = 10971168768000.
The previous prime is 12806813632859. The next prime is 12806813632913. The reversal of 12806813632877 is 77823631860821.
It is a cyclic number.
It is not a de Polignac number, because 12806813632877 - 210 = 12806813631853 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12806813632177) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37482749 + ... + 37822877.
It is an arithmetic number, because the mean of its divisors is an integer number (462022388100).
Almost surely, 212806813632877 is an apocalyptic number.
It is an amenable number.
12806813632877 is a deficient number, since it is larger than the sum of its proper divisors (1977902786323).
12806813632877 is a wasteful number, since it uses less digits than its factorization.
12806813632877 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 341117.
The product of its (nonzero) digits is 32514048, while the sum is 62.
The spelling of 12806813632877 in words is "twelve trillion, eight hundred six billion, eight hundred thirteen million, six hundred thirty-two thousand, eight hundred seventy-seven".
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