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118618118860 = 2255930905943
BaseRepresentation
bin110111001111000110…
…0001101101011001100
3102100011200220202221111
41232132030031223030
53420412214300420
6130254205541404
711366316242263
oct1563614155314
9370150822844
10118618118860
114633a92139a
121aba4b74864
13b254b10a17
145a539cd5da
1531439de45a
hex1b9e30dacc

118618118860 has 12 divisors (see below), whose sum is σ = 249098049648. Its totient is φ = 47447247536.

The previous prime is 118618118849. The next prime is 118618118903. The reversal of 118618118860 is 68811816811.

118618118860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 2965452952 + ... + 2965452991.

It is an arithmetic number, because the mean of its divisors is an integer number (20758170804).

Almost surely, 2118618118860 is an apocalyptic number.

118618118860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118618118860 is an abundant number, since it is smaller than the sum of its proper divisors (130479930788).

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

118618118860 is a wasteful number, since it uses less digits than its factorization.

118618118860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930905952 (or 5930905950 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 49.

The spelling of 118618118860 in words is "one hundred eighteen billion, six hundred eighteen million, one hundred eighteen thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 5930905943 11861811886 23723623772 29654529715 59309059430 118618118860