Base | Representation |
---|---|
bin | 11000001000011100… |
… | …01011011111100101 |
3 | 1020102220111011111001 |
4 | 30010032023133211 |
5 | 203013131242340 |
6 | 5541330113301 |
7 | 636024604204 |
oct | 140416133745 |
9 | 36386434431 |
10 | 12955727845 |
11 | 55491970a5 |
12 | 2616a1b831 |
13 | 12b6170768 |
14 | 8ac92323b |
15 | 50c60929a |
hex | 30438b7e5 |
12955727845 has 16 divisors (see below), whose sum is σ = 16428188160. Its totient is φ = 9788448384.
The previous prime is 12955727839. The next prime is 12955727849. The reversal of 12955727845 is 54872755921.
12955727845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12955727845 - 29 = 12955727333 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12955727849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703944 + ... + 722113.
It is an arithmetic number, because the mean of its divisors is an integer number (1026761760).
Almost surely, 212955727845 is an apocalyptic number.
It is an amenable number.
12955727845 is a deficient number, since it is larger than the sum of its proper divisors (3472460315).
12955727845 is a wasteful number, since it uses less digits than its factorization.
12955727845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1426164.
The product of its digits is 7056000, while the sum is 55.
The spelling of 12955727845 in words is "twelve billion, nine hundred fifty-five million, seven hundred twenty-seven thousand, eight hundred forty-five".
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