Base | Representation |
---|---|
bin | 1000100101101000100011… |
… | …01100111111101010000100 |
3 | 2110212102011210221011210201 |
4 | 10102310101230333222010 |
5 | 4433404012130131020 |
6 | 104055434503100244 |
7 | 3656262360104116 |
oct | 422642154775204 |
9 | 73772153834721 |
10 | 18885268208260 |
11 | 6021219624953 |
12 | 2150112141684 |
13 | a6cb47408b3c |
14 | 4940a24293b6 |
15 | 22b3b0deea0a |
hex | 112d11b3fa84 |
18885268208260 has 48 divisors (see below), whose sum is σ = 39677740462080. Its totient is φ = 7550550369920.
The previous prime is 18885268208243. The next prime is 18885268208327. The reversal of 18885268208260 is 6280286258881.
It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 18885268208192 and 18885268208201.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792454545 + ... + 792478375.
It is an arithmetic number, because the mean of its divisors is an integer number (826619592960).
Almost surely, 218885268208260 is an apocalyptic number.
18885268208260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18885268208260 is an abundant number, since it is smaller than the sum of its proper divisors (20792472253820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18885268208260 is a wasteful number, since it uses less digits than its factorization.
18885268208260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40836 (or 40834 counting only the distinct ones).
The product of its (nonzero) digits is 47185920, while the sum is 64.
The spelling of 18885268208260 in words is "eighteen trillion, eight hundred eighty-five billion, two hundred sixty-eight million, two hundred eight thousand, two hundred sixty".
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