Base | Representation |
---|---|
bin | 10010111000000110… |
… | …010110010111101000 |
3 | 1221022112211120211010 |
4 | 102320012112113220 |
5 | 313002221311131 |
6 | 13151121103520 |
7 | 1315162521324 |
oct | 227006262750 |
9 | 57275746733 |
10 | 20268541416 |
11 | 8661077182 |
12 | 3b17a87ba0 |
13 | 1bb020c896 |
14 | da3c2a984 |
15 | 7d9613b46 |
hex | 4b81965e8 |
20268541416 has 16 divisors (see below), whose sum is σ = 50671353600. Its totient is φ = 6756180464.
The previous prime is 20268541393. The next prime is 20268541471. The reversal of 20268541416 is 61414586202.
It is a happy number.
It is a super-2 number, since 2×202685414162 (a number of 21 digits) contains 22 as substring.
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, 422261256 + ... + 422261303.
It is an arithmetic number, because the mean of its divisors is an integer number (3166959600).
Almost surely, 220268541416 is an apocalyptic number.
It is an amenable number.
20268541416 is an abundant number, since it is smaller than the sum of its proper divisors (30402812184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20268541416 is a wasteful number, since it uses less digits than its factorization.
20268541416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 844522568 (or 844522564 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 39.
The spelling of 20268541416 in words is "twenty billion, two hundred sixty-eight million, five hundred forty-one thousand, four hundred sixteen".
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