Base | Representation |
---|---|
bin | 10110011000001111… |
… | …01101111110100110 |
3 | 1011000022102100022111 |
4 | 23030013231332212 |
5 | 144101203304430 |
6 | 5304104351234 |
7 | 603505435630 |
oct | 131407557646 |
9 | 34008370274 |
10 | 12014509990 |
11 | 51059721aa |
12 | 23b377551a |
13 | 1196175112 |
14 | 81d917a50 |
15 | 4a4b89c2a |
hex | 2cc1edfa6 |
12014509990 has 16 divisors (see below), whose sum is σ = 24715563552. Its totient is φ = 4119260544.
The previous prime is 12014509957. The next prime is 12014509999. The reversal of 12014509990 is 9990541021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12014509999) 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, 85817859 + ... + 85817998.
It is an arithmetic number, because the mean of its divisors is an integer number (1544722722).
Almost surely, 212014509990 is an apocalyptic number.
12014509990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12014509990 is an abundant number, since it is smaller than the sum of its proper divisors (12701053562).
12014509990 is a wasteful number, since it uses less digits than its factorization.
12014509990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171635871.
The product of its (nonzero) digits is 29160, while the sum is 40.
The spelling of 12014509990 in words is "twelve billion, fourteen million, five hundred nine thousand, nine hundred ninety".
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