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118538112 = 27371119211
BaseRepresentation
bin1110001000010…
…11111110000000
322021001100201110
413010023332000
5220321204422
615432403320
72636362110
oct704137600
9267040643
10118538112
1160a03490
1233846540
131b7346c4
1411a59040
15a61760c
hex710bf80

118538112 has 256 divisors, whose sum is σ = 415180800. Its totient is φ = 29030400.

The previous prime is 118538111. The next prime is 118538137. The reversal of 118538112 is 211835811.

It is a self number, because there is not a number n which added to its sum of digits gives 118538112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118538111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561687 + ... + 561897.

It is an arithmetic number, because the mean of its divisors is an integer number (1621800).

Almost surely, 2118538112 is an apocalyptic number.

118538112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118538112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207590400).

118538112 is an abundant number, since it is smaller than the sum of its proper divisors (296642688).

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

118538112 is a wasteful number, since it uses less digits than its factorization.

118538112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 253 counting only the distinct ones).

The product of its digits is 1920, while the sum is 30.

The square root of 118538112 is about 10887.5209299454. The cubic root of 118538112 is about 491.2312669533.

The spelling of 118538112 in words is "one hundred eighteen million, five hundred thirty-eight thousand, one hundred twelve".