Base | Representation |
---|---|
bin | 10110100111111101… |
… | …11001100101100101 |
3 | 1011100111121212022021 |
4 | 23103332321211211 |
5 | 144333440302343 |
6 | 5325135503141 |
7 | 606666555316 |
oct | 132376714545 |
9 | 34314555267 |
10 | 12146415973 |
11 | 517337610a |
12 | 242b987ab1 |
13 | 11b75aa2b3 |
14 | 83325260d |
15 | 4b15430ed |
hex | 2d3fb9965 |
12146415973 has 2 divisors, whose sum is σ = 12146415974. Its totient is φ = 12146415972.
The previous prime is 12146415949. The next prime is 12146416039. The reversal of 12146415973 is 37951464121.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6106328449 + 6040087524 = 78143^2 + 77718^2 .
It is a cyclic number.
It is not a de Polignac number, because 12146415973 - 213 = 12146407781 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12146415923) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073207986 + 6073207987.
It is an arithmetic number, because the mean of its divisors is an integer number (6073207987).
Almost surely, 212146415973 is an apocalyptic number.
It is an amenable number.
12146415973 is a deficient number, since it is larger than the sum of its proper divisors (1).
12146415973 is an equidigital number, since it uses as much as digits as its factorization.
12146415973 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 181440, while the sum is 43.
The spelling of 12146415973 in words is "twelve billion, one hundred forty-six million, four hundred fifteen thousand, nine hundred seventy-three".
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