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518042118 = 23117849123
BaseRepresentation
bin11110111000001…
…011001000000110
31100002210021012010
4132320023020012
52030104321433
6123223235050
715560166606
oct3670131006
91302707163
10518042118
1124646a790
121255a8a86
13834312c9
144cb30c06
153072de63
hex1ee0b206

518042118 has 16 divisors (see below), whose sum is σ = 1130273856. Its totient is φ = 156982440.

The previous prime is 518042117. The next prime is 518042123. The reversal of 518042118 is 811240815.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518042111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3924496 + ... + 3924627.

It is an arithmetic number, because the mean of its divisors is an integer number (70642116).

Almost surely, 2518042118 is an apocalyptic number.

518042118 is an abundant number, since it is smaller than the sum of its proper divisors (612231738).

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

518042118 is a wasteful number, since it uses less digits than its factorization.

518042118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7849139.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 518042118 is about 22760.5386140135. The cubic root of 518042118 is about 803.1346379722.

The spelling of 518042118 in words is "five hundred eighteen million, forty-two thousand, one hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 7849123 15698246 23547369 47094738 86340353 172680706 259021059 518042118