Base | Representation |
---|---|
bin | 10110111111111101… |
… | …11010100010011010 |
3 | 1011212112110111210220 |
4 | 23133332322202122 |
5 | 200242010341313 |
6 | 5401131020510 |
7 | 614663053545 |
oct | 133776724232 |
9 | 34775414726 |
10 | 12347746458 |
11 | 5266a87743 |
12 | 248729a736 |
13 | 121a20c068 |
14 | 851c9d85c |
15 | 4c4061823 |
hex | 2dffba89a |
12347746458 has 8 divisors (see below), whose sum is σ = 24695492928. Its totient is φ = 4115915484.
The previous prime is 12347746447. The next prime is 12347746487. The reversal of 12347746458 is 85464774321.
It is a sphenic number, since it is the product of 3 distinct primes.
12347746458 is an admirable number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12347746458.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028978866 + ... + 1028978877.
It is an arithmetic number, because the mean of its divisors is an integer number (3086936616).
Almost surely, 212347746458 is an apocalyptic number.
12347746458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12347746458 is a wasteful number, since it uses less digits than its factorization.
12347746458 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2057957748.
The product of its digits is 4515840, while the sum is 51.
The spelling of 12347746458 in words is "twelve billion, three hundred forty-seven million, seven hundred forty-six thousand, four hundred fifty-eight".
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