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518064018 = 23175079059
BaseRepresentation
bin11110111000010…
…000011110010010
31100002211101020020
4132320100132102
52030111022033
6123223524310
715560320503
oct3670203622
91302741206
10518064018
1124648518a
121255b9696
138343b274
144cb38baa
15307356b3
hex1ee10792

518064018 has 16 divisors (see below), whose sum is σ = 1097076960. Its totient is φ = 162529856.

The previous prime is 518064017. The next prime is 518064037. The reversal of 518064018 is 810460815.

It is a self number, because there is not a number n which added to its sum of digits gives 518064018.

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 7 ways as a sum of consecutive naturals, for example, 2539428 + ... + 2539631.

It is an arithmetic number, because the mean of its divisors is an integer number (68567310).

Almost surely, 2518064018 is an apocalyptic number.

518064018 is an abundant number, since it is smaller than the sum of its proper divisors (579012942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

518064018 is a wasteful number, since it uses less digits than its factorization.

518064018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079081.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 518064018 is about 22761.0197047496. The cubic root of 518064018 is about 803.1459551992.

The spelling of 518064018 in words is "five hundred eighteen million, sixty-four thousand, eighteen".

Divisors: 1 2 3 6 17 34 51 102 5079059 10158118 15237177 30474354 86344003 172688006 259032009 518064018