Base | Representation |
---|---|
bin | 111100000011011011… |
… | …111011000010101111 |
3 | 20011102212120011111100 |
4 | 330003123323002233 |
5 | 2024024413121230 |
6 | 45342300254143 |
7 | 4441633215642 |
oct | 740333730257 |
9 | 204385504440 |
10 | 64482160815 |
11 | 2538a5538a6 |
12 | 105b6b41353 |
13 | 6108228c57 |
14 | 3199c77a59 |
15 | 1a25eba660 |
hex | f036fb0af |
64482160815 has 24 divisors (see below), whose sum is σ = 112184598240. Its totient is φ = 34262633664.
The previous prime is 64482160781. The next prime is 64482160817. The reversal of 64482160815 is 51806128446.
It is a happy number.
64482160815 is a `hidden beast` number, since 6 + 4 + 4 + 8 + 21 + 608 + 15 = 666.
It is not a de Polignac number, because 64482160815 - 26 = 64482160751 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64482160817) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2651347 + ... + 2675556.
It is an arithmetic number, because the mean of its divisors is an integer number (4674358260).
Almost surely, 264482160815 is an apocalyptic number.
64482160815 is a deficient number, since it is larger than the sum of its proper divisors (47702437425).
64482160815 is a wasteful number, since it uses less digits than its factorization.
64482160815 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5327183 (or 5327180 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 45.
The spelling of 64482160815 in words is "sixty-four billion, four hundred eighty-two million, one hundred sixty thousand, eight hundred fifteen".
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