Base | Representation |
---|---|
bin | 10110101010101100… |
… | …00001100010100111 |
3 | 1011102002121012200002 |
4 | 23111112001202213 |
5 | 144410312130304 |
6 | 5331313211515 |
7 | 610364650532 |
oct | 132526014247 |
9 | 34362535602 |
10 | 12169255079 |
11 | 5185255503 |
12 | 2437560b9b |
13 | 11bc245a67 |
14 | 8362b9a19 |
15 | 4b355531e |
hex | 2d55818a7 |
12169255079 has 2 divisors, whose sum is σ = 12169255080. Its totient is φ = 12169255078.
The previous prime is 12169255069. The next prime is 12169255121. The reversal of 12169255079 is 97055296121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12169255079 - 220 = 12168206503 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12169255069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6084627539 + 6084627540.
It is an arithmetic number, because the mean of its divisors is an integer number (6084627540).
Almost surely, 212169255079 is an apocalyptic number.
12169255079 is a deficient number, since it is larger than the sum of its proper divisors (1).
12169255079 is an equidigital number, since it uses as much as digits as its factorization.
12169255079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 340200, while the sum is 47.
The spelling of 12169255079 in words is "twelve billion, one hundred sixty-nine million, two hundred fifty-five thousand, seventy-nine".
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