Base | Representation |
---|---|
bin | 11000000011111100… |
… | …11110110101101101 |
3 | 1020100021121100122112 |
4 | 30001332132311231 |
5 | 202424010331344 |
6 | 5533502453405 |
7 | 635056453460 |
oct | 140176366555 |
9 | 36307540575 |
10 | 12918058349 |
11 | 55299a8489 |
12 | 2606294265 |
13 | 12ab411911 |
14 | 8a79192d7 |
15 | 509167c9e |
hex | 301f9ed6d |
12918058349 has 8 divisors (see below), whose sum is σ = 14797594560. Its totient is φ = 11047046976.
The previous prime is 12918058337. The next prime is 12918058357. The reversal of 12918058349 is 94385081921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12918058349 - 28 = 12918058093 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12918058297 and 12918058306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12918058369) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2127959 + ... + 2134020.
It is an arithmetic number, because the mean of its divisors is an integer number (1849699320).
Almost surely, 212918058349 is an apocalyptic number.
It is an amenable number.
12918058349 is a deficient number, since it is larger than the sum of its proper divisors (1879536211).
12918058349 is an equidigital number, since it uses as much as digits as its factorization.
12918058349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4262419.
The product of its (nonzero) digits is 622080, while the sum is 50.
The spelling of 12918058349 in words is "twelve billion, nine hundred eighteen million, fifty-eight thousand, three hundred forty-nine".
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