Base | Representation |
---|---|
bin | 1011110001011010100010… |
… | …1011110111100101001110 |
3 | 1200211101121101222110202210 |
4 | 2330112220223313211032 |
5 | 3144031411013104430 |
6 | 43310105315331250 |
7 | 2504066434146030 |
oct | 274265053674516 |
9 | 50741541873683 |
10 | 12943566534990 |
11 | 4140376964213 |
12 | 15506722b0b26 |
13 | 72b75b0c2180 |
14 | 32a6870cdc50 |
15 | 176a5a0d52b0 |
hex | bc5a8af794e |
12943566534990 has 128 divisors (see below), whose sum is σ = 38237126602752. Its totient is φ = 2730677276160.
The previous prime is 12943566534989. The next prime is 12943566534991. The reversal of 12943566534990 is 9943566534921.
It is an interprime number because it is at equal distance from previous prime (12943566534989) and next prime (12943566534991).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12943566534991) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27676900 + ... + 28140680.
It is an arithmetic number, because the mean of its divisors is an integer number (298727551584).
Almost surely, 212943566534990 is an apocalyptic number.
12943566534990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12943566534990 is an abundant number, since it is smaller than the sum of its proper divisors (25293560067762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12943566534990 is a wasteful number, since it uses less digits than its factorization.
12943566534990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 474034.
The product of its (nonzero) digits is 188956800, while the sum is 66.
The spelling of 12943566534990 in words is "twelve trillion, nine hundred forty-three billion, five hundred sixty-six million, five hundred thirty-four thousand, nine hundred ninety".
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