Base | Representation |
---|---|
bin | 10010111110011000… |
… | …001010110010101000 |
3 | 1221120220001010112120 |
4 | 102332120022302220 |
5 | 313211203012010 |
6 | 13205402511240 |
7 | 1320612042021 |
oct | 227630126250 |
9 | 57526033476 |
10 | 20373875880 |
11 | 8705581556 |
12 | 3b47205520 |
13 | 1bc8ca0477 |
14 | db3c09c48 |
15 | 7e39bde70 |
hex | 4be60aca8 |
20373875880 has 32 divisors (see below), whose sum is σ = 61121628000. Its totient is φ = 5433033536.
The previous prime is 20373875867. The next prime is 20373875897. The reversal of 20373875880 is 8857837302.
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, 84891030 + ... + 84891269.
It is an arithmetic number, because the mean of its divisors is an integer number (1910050875).
Almost surely, 220373875880 is an apocalyptic number.
20373875880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20373875880 is an abundant number, since it is smaller than the sum of its proper divisors (40747752120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20373875880 is a wasteful number, since it uses less digits than its factorization.
20373875880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169782313 (or 169782309 counting only the distinct ones).
The product of its (nonzero) digits is 2257920, while the sum is 51.
The spelling of 20373875880 in words is "twenty billion, three hundred seventy-three million, eight hundred seventy-five thousand, eight hundred eighty".
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