Base | Representation |
---|---|
bin | 10110100100101000… |
… | …00100011010100000 |
3 | 1011021112221001120210 |
4 | 23102110010122200 |
5 | 144304303122122 |
6 | 5322255334120 |
7 | 606206536026 |
oct | 132224043240 |
9 | 34245831523 |
10 | 12118410912 |
11 | 5159588533 |
12 | 2422521340 |
13 | 11b185335a |
14 | 82d642716 |
15 | 4add6040c |
hex | 2d25046a0 |
12118410912 has 48 divisors (see below), whose sum is σ = 31822126560. Its totient is φ = 4038035712.
The previous prime is 12118410907. The next prime is 12118410923. The reversal of 12118410912 is 21901481121.
It is a tau number, because it is divible by the number of its divisors (48).
It is a self number, because there is not a number n which added to its sum of digits gives 12118410912.
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, 268918 + ... + 310730.
It is an arithmetic number, because the mean of its divisors is an integer number (662960970).
Almost surely, 212118410912 is an apocalyptic number.
12118410912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12118410912 is an abundant number, since it is smaller than the sum of its proper divisors (19703715648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12118410912 is a wasteful number, since it uses less digits than its factorization.
12118410912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44845 (or 44837 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 30.
The spelling of 12118410912 in words is "twelve billion, one hundred eighteen million, four hundred ten thousand, nine hundred twelve".
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