Base | Representation |
---|---|
bin | 10010111110011100… |
… | …111100001111010000 |
3 | 1221120222101200202001 |
4 | 102332130330033100 |
5 | 313212013030432 |
6 | 13205445403344 |
7 | 1320625502413 |
oct | 227634741720 |
9 | 57528350661 |
10 | 20375126992 |
11 | 8706256530 |
12 | 3b47709554 |
13 | 1bc931aa7c |
14 | db4053b7a |
15 | 7e3b699e7 |
hex | 4be73c3d0 |
20375126992 has 20 divisors (see below), whose sum is σ = 43065609696. Its totient is φ = 9261421280.
The previous prime is 20375126969. The next prime is 20375127029. The reversal of 20375126992 is 29962157302.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57883708 + ... + 57884059.
Almost surely, 220375126992 is an apocalyptic number.
20375126992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20375126992 is an abundant number, since it is smaller than the sum of its proper divisors (22690482704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20375126992 is a wasteful number, since it uses less digits than its factorization.
20375126992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115767786 (or 115767780 counting only the distinct ones).
The product of its (nonzero) digits is 408240, while the sum is 46.
The spelling of 20375126992 in words is "twenty billion, three hundred seventy-five million, one hundred twenty-six thousand, nine hundred ninety-two".
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