Base | Representation |
---|---|
bin | 10010101000111101… |
… | …111110001001011000 |
3 | 1220122212011102202121 |
4 | 102220331332021120 |
5 | 311442224434213 |
6 | 13110012111024 |
7 | 1305661013404 |
oct | 225075761130 |
9 | 56585142677 |
10 | 20014686808 |
11 | 8540850486 |
12 | 3a66a65474 |
13 | 1b6c74a85c |
14 | d7c22a104 |
15 | 7c21bc88d |
hex | 4a8f7e258 |
20014686808 has 16 divisors (see below), whose sum is σ = 37752256080. Its totient is φ = 9947418528.
The previous prime is 20014686751. The next prime is 20014686817. The reversal of 20014686808 is 80868641002.
It is a congruent number.
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, 7489191 + ... + 7491862.
It is an arithmetic number, because the mean of its divisors is an integer number (2359516005).
Almost surely, 220014686808 is an apocalyptic number.
It is an amenable number.
20014686808 is a deficient number, since it is larger than the sum of its proper divisors (17737569272).
20014686808 is a wasteful number, since it uses less digits than its factorization.
20014686808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14981226 (or 14981222 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 43.
The spelling of 20014686808 in words is "twenty billion, fourteen million, six hundred eighty-six thousand, eight hundred eight".
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