Base | Representation |
---|---|
bin | 111100010001100010… |
… | …101111101000110010 |
3 | 20012001100220012202112 |
4 | 330101202233220302 |
5 | 2030021010031010 |
6 | 45421553045322 |
7 | 4450535656643 |
oct | 742142575062 |
9 | 205040805675 |
10 | 64718830130 |
11 | 254a1101a79 |
12 | 10662256842 |
13 | 6145281a76 |
14 | 31bd4836ca |
15 | 1a3bb69a05 |
hex | f118afa32 |
64718830130 has 16 divisors (see below), whose sum is σ = 117524815704. Its totient is φ = 25658438400.
The previous prime is 64718830109. The next prime is 64718830133. The reversal of 64718830130 is 3103881746.
64718830130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 43555272601 + 21163557529 = 208699^2 + 145477^2 .
It is not an unprimeable number, because it can be changed into a prime (64718830133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28635521 + ... + 28637780.
Almost surely, 264718830130 is an apocalyptic number.
64718830130 is a deficient number, since it is larger than the sum of its proper divisors (52805985574).
64718830130 is a wasteful number, since it uses less digits than its factorization.
64718830130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57273421.
The product of its (nonzero) digits is 96768, while the sum is 41.
The spelling of 64718830130 in words is "sixty-four billion, seven hundred eighteen million, eight hundred thirty thousand, one hundred thirty".
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