Base | Representation |
---|---|
bin | 11110111010111… |
… | …100010111010101 |
3 | 1100011011011000210 |
4 | 132322330113111 |
5 | 2030301034320 |
6 | 123251000033 |
7 | 15566312253 |
oct | 3672742725 |
9 | 1304134023 |
10 | 518768085 |
11 | 246916160 |
12 | 125899019 |
13 | 83626884 |
14 | 4cc7d5d3 |
15 | 308240e0 |
hex | 1eebc5d5 |
518768085 has 32 divisors (see below), whose sum is σ = 911606400. Its totient is φ = 249824000.
The previous prime is 518768071. The next prime is 518768087. The reversal of 518768085 is 580867815.
It is not a de Polignac number, because 518768085 - 25 = 518768053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (518768087) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 14035 + ... + 35135.
It is an arithmetic number, because the mean of its divisors is an integer number (28487700).
Almost surely, 2518768085 is an apocalyptic number.
518768085 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
518768085 is a deficient number, since it is larger than the sum of its proper divisors (392838315).
518768085 is a wasteful number, since it uses less digits than its factorization.
518768085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21269.
The product of its (nonzero) digits is 537600, while the sum is 48.
The square root of 518768085 is about 22776.4809617289. The cubic root of 518768085 is about 803.5096249215.
The spelling of 518768085 in words is "five hundred eighteen million, seven hundred sixty-eight thousand, eighty-five".
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