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518007018 = 2386334503
BaseRepresentation
bin11110111000000…
…010100011101010
31100002201111001010
4132320002203222
52030102211033
6123222404350
715556662354
oct3670024352
91302644033
10518007018
11246446381
121255906b6
138341b339
144cb220d4
1530723863
hex1ee028ea

518007018 has 8 divisors (see below), whose sum is σ = 1036014048. Its totient is φ = 172669004.

The previous prime is 518006987. The next prime is 518007043. The reversal of 518007018 is 810700815.

It is a sphenic number, since it is the product of 3 distinct primes.

518007018 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43167246 + ... + 43167257.

It is an arithmetic number, because the mean of its divisors is an integer number (129501756).

Almost surely, 2518007018 is an apocalyptic number.

518007018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

518007018 is a wasteful number, since it uses less digits than its factorization.

518007018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86334508.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 518007018 is about 22759.7675295685. The cubic root of 518007018 is about 803.1164987377.

The spelling of 518007018 in words is "five hundred eighteen million, seven thousand, eighteen".

Divisors: 1 2 3 6 86334503 172669006 259003509 518007018