Base | Representation |
---|---|
bin | 11110111000010… |
… | …000011110000111 |
3 | 1100002211101012211 |
4 | 132320100132013 |
5 | 2030111022012 |
6 | 123223524251 |
7 | 15560320456 |
oct | 3670203607 |
9 | 1302741184 |
10 | 518064007 |
11 | 24648517a |
12 | 1255b9687 |
13 | 8343b266 |
14 | 4cb38b9d |
15 | 307356a7 |
hex | 1ee10787 |
518064007 has 4 divisors (see below), whose sum is σ = 520776576. Its totient is φ = 515351440.
The previous prime is 518063977. The next prime is 518064017. The reversal of 518064007 is 700460815.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700460815 = 5 ⋅140092163.
It is a cyclic number.
It is not a de Polignac number, because 518064007 - 27 = 518063879 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 518064007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (518064017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355998 + ... + 1356379.
It is an arithmetic number, because the mean of its divisors is an integer number (130194144).
Almost surely, 2518064007 is an apocalyptic number.
518064007 is a deficient number, since it is larger than the sum of its proper divisors (2712569).
518064007 is a wasteful number, since it uses less digits than its factorization.
518064007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2712568.
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 518064007 is about 22761.0194631084. The cubic root of 518064007 is about 803.1459495148.
The spelling of 518064007 in words is "five hundred eighteen million, sixty-four thousand, seven".
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