Base | Representation |
---|---|
bin | 10011000000111000… |
… | …11110111000101100 |
3 | 222100102011211111201 |
4 | 21200130132320230 |
5 | 131401222420433 |
6 | 4404533055244 |
7 | 510651454243 |
oct | 114034367054 |
9 | 28312154451 |
10 | 10208013868 |
11 | 43691809a8 |
12 | 1b8a787524 |
13 | c68b1c2c0 |
14 | 6cba2d95a |
15 | 3eb29ba7d |
hex | 26071ee2c |
10208013868 has 48 divisors (see below), whose sum is σ = 20866737024. Its totient is φ = 4326082560.
The previous prime is 10208013863. The next prime is 10208013869. The reversal of 10208013868 is 86831080201.
It is not an unprimeable number, because it can be changed into a prime (10208013863) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104580 + ... + 177067.
It is an arithmetic number, because the mean of its divisors is an integer number (434723688).
Almost surely, 210208013868 is an apocalyptic number.
It is an amenable number.
10208013868 is an abundant number, since it is smaller than the sum of its proper divisors (10658723156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10208013868 is a wasteful number, since it uses less digits than its factorization.
10208013868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281722 (or 281720 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 37.
The spelling of 10208013868 in words is "ten billion, two hundred eight million, thirteen thousand, eight hundred sixty-eight".
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