Base | Representation |
---|---|
bin | 10010101010000111… |
… | …000110011010100000 |
3 | 1220201012020101120112 |
4 | 102222013012122200 |
5 | 312012131412214 |
6 | 13111535030452 |
7 | 1306312655615 |
oct | 225207063240 |
9 | 56635211515 |
10 | 20033857184 |
11 | 8550654470 |
12 | 3a7136b428 |
13 | 1b73700483 |
14 | d809ba50c |
15 | 7c3c07a3e |
hex | 4aa1c66a0 |
20033857184 has 48 divisors (see below), whose sum is σ = 45291869280. Its totient is φ = 8627016960.
The previous prime is 20033857177. The next prime is 20033857211. The reversal of 20033857184 is 48175833002.
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, 1491059 + ... + 1504434.
It is an arithmetic number, because the mean of its divisors is an integer number (943580610).
Almost surely, 220033857184 is an apocalyptic number.
It is an amenable number.
20033857184 is an abundant number, since it is smaller than the sum of its proper divisors (25258012096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20033857184 is a wasteful number, since it uses less digits than its factorization.
20033857184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2995533 (or 2995525 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 41.
The spelling of 20033857184 in words is "twenty billion, thirty-three million, eight hundred fifty-seven thousand, one hundred eighty-four".
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