Base | Representation |
---|---|
bin | 111011110000011010… |
… | …110101111100011000 |
3 | 20010121122012201222200 |
4 | 323300122311330120 |
5 | 2022401224020210 |
6 | 45250502050200 |
7 | 4431010304424 |
oct | 736032657430 |
9 | 203548181880 |
10 | 64163110680 |
11 | 252364487a9 |
12 | 10528119960 |
13 | 60870bb1a6 |
14 | 3169745b84 |
15 | 1a07e970c0 |
hex | ef06b5f18 |
64163110680 has 96 divisors (see below), whose sum is σ = 210479115600. Its totient is φ = 16950244608.
The previous prime is 64163110667. The next prime is 64163110703. The reversal of 64163110680 is 8601136146.
64163110680 is a `hidden beast` number, since 6 + 4 + 1 + 631 + 10 + 6 + 8 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 794335 + ... + 871374.
Almost surely, 264163110680 is an apocalyptic number.
64163110680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
64163110680 is an abundant number, since it is smaller than the sum of its proper divisors (146316004920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64163110680 is a wasteful number, since it uses less digits than its factorization.
64163110680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1665833 (or 1665826 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The spelling of 64163110680 in words is "sixty-four billion, one hundred sixty-three million, one hundred ten thousand, six hundred eighty".
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