Base | Representation |
---|---|
bin | 10110100000000100… |
… | …10101001100110011 |
3 | 1011011220001002011212 |
4 | 23100002111030303 |
5 | 144220013103033 |
6 | 5314412430335 |
7 | 605234030231 |
oct | 132002251463 |
9 | 34156032155 |
10 | 12080206643 |
11 | 5139a6405a |
12 | 24117783ab |
13 | 11a6967c8b |
14 | 828539951 |
15 | 4aa815748 |
hex | 2d0095333 |
12080206643 has 2 divisors, whose sum is σ = 12080206644. Its totient is φ = 12080206642.
The previous prime is 12080206609. The next prime is 12080206687. The reversal of 12080206643 is 34660208021.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12080206643 - 216 = 12080141107 is a prime.
It is not a weakly prime, because it can be changed into another prime (12080206043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040103321 + 6040103322.
It is an arithmetic number, because the mean of its divisors is an integer number (6040103322).
Almost surely, 212080206643 is an apocalyptic number.
12080206643 is a deficient number, since it is larger than the sum of its proper divisors (1).
12080206643 is an equidigital number, since it uses as much as digits as its factorization.
12080206643 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 32.
The spelling of 12080206643 in words is "twelve billion, eighty million, two hundred six thousand, six hundred forty-three".
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