Base | Representation |
---|---|
bin | 1011100001011010011100… |
… | …0001111100111110100110 |
3 | 1122212010000202110101101101 |
4 | 2320112213001330332212 |
5 | 3130030404140103021 |
6 | 42535522532550314 |
7 | 2445165140404240 |
oct | 270264701747646 |
9 | 48763022411341 |
10 | 12668660862886 |
11 | 4044826870986 |
12 | 1507330a8239a |
13 | 70b85a2058c2 |
14 | 31b248a8b090 |
15 | 16e81aa2ca91 |
hex | b85a707cfa6 |
12668660862886 has 32 divisors (see below), whose sum is σ = 21763009684800. Its totient is φ = 5418104515200.
The previous prime is 12668660862829. The next prime is 12668660862889. The reversal of 12668660862886 is 68826806686621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12668660862889) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32076540 + ... + 32469088.
It is an arithmetic number, because the mean of its divisors is an integer number (680094052650).
Almost surely, 212668660862886 is an apocalyptic number.
12668660862886 is a deficient number, since it is larger than the sum of its proper divisors (9094348821914).
12668660862886 is a wasteful number, since it uses less digits than its factorization.
12668660862886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397360.
The product of its (nonzero) digits is 764411904, while the sum is 73.
The spelling of 12668660862886 in words is "twelve trillion, six hundred sixty-eight billion, six hundred sixty million, eight hundred sixty-two thousand, eight hundred eighty-six".
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