Base | Representation |
---|---|
bin | 10010101010110000… |
… | …110111011101010000 |
3 | 1220201221211122111001 |
4 | 102222300313131100 |
5 | 312022432242333 |
6 | 13113005431344 |
7 | 1306505016355 |
oct | 225260673520 |
9 | 56657748431 |
10 | 20044805968 |
11 | 8556852450 |
12 | 3a74b6b554 |
13 | 1b75a64b45 |
14 | d8222a62c |
15 | 7c4b6bb7d |
hex | 4aac37750 |
20044805968 has 20 divisors (see below), whose sum is σ = 42367431168. Its totient is φ = 9111275360.
The previous prime is 20044805941. The next prime is 20044806013. The reversal of 20044805968 is 86950844002.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56945296 + ... + 56945647.
Almost surely, 220044805968 is an apocalyptic number.
It is an amenable number.
20044805968 is an abundant number, since it is smaller than the sum of its proper divisors (22322625200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20044805968 is a wasteful number, since it uses less digits than its factorization.
20044805968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113890962 (or 113890956 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 46.
The spelling of 20044805968 in words is "twenty billion, forty-four million, eight hundred five thousand, nine hundred sixty-eight".
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