Base | Representation |
---|---|
bin | 10010111110010000… |
… | …000111101000100000 |
3 | 1221120202001221001011 |
4 | 102332100013220200 |
5 | 313210133001132 |
6 | 13205245350304 |
7 | 1320555103120 |
oct | 227620075040 |
9 | 57522057034 |
10 | 20371765792 |
11 | 8704370184 |
12 | 3b46568394 |
13 | 1bc8711bb1 |
14 | db381ac80 |
15 | 7e3703b47 |
hex | 4be407a20 |
20371765792 has 48 divisors (see below), whose sum is σ = 45884361600. Its totient is φ = 8721635328.
The previous prime is 20371765741. The next prime is 20371765811. The reversal of 20371765792 is 29756717302.
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, 169584 + ... + 263632.
It is an arithmetic number, because the mean of its divisors is an integer number (955924200).
Almost surely, 220371765792 is an apocalyptic number.
It is an amenable number.
20371765792 is an abundant number, since it is smaller than the sum of its proper divisors (25512595808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20371765792 is an equidigital number, since it uses as much as digits as its factorization.
20371765792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95033 (or 95025 counting only the distinct ones).
The product of its (nonzero) digits is 1111320, while the sum is 49.
The spelling of 20371765792 in words is "twenty billion, three hundred seventy-one million, seven hundred sixty-five thousand, seven hundred ninety-two".
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