Base | Representation |
---|---|
bin | 10111101111010100… |
… | …10111111001001100 |
3 | 1012220012222211121102 |
4 | 23313222113321030 |
5 | 202100210433420 |
6 | 5504401522232 |
7 | 630555560504 |
oct | 136752277114 |
9 | 35805884542 |
10 | 12745014860 |
11 | 5450257336 |
12 | 2578343378 |
13 | 1281605216 |
14 | 88c952a04 |
15 | 4e8d85a75 |
hex | 2f7a97e4c |
12745014860 has 24 divisors (see below), whose sum is σ = 26772255216. Its totient is φ = 5096534720.
The previous prime is 12745014853. The next prime is 12745014871. The reversal of 12745014860 is 6841054721.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19526 + ... + 160845.
It is an arithmetic number, because the mean of its divisors is an integer number (1115510634).
Almost surely, 212745014860 is an apocalyptic number.
12745014860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12745014860 is an abundant number, since it is smaller than the sum of its proper divisors (14027240356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12745014860 is a wasteful number, since it uses less digits than its factorization.
12745014860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183913 (or 183911 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 38.
The spelling of 12745014860 in words is "twelve billion, seven hundred forty-five million, fourteen thousand, eight hundred sixty".
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