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118805178012 = 22314966445849
BaseRepresentation
bin110111010100101010…
…1110010011010011100
3102100122201220100212020
41232221111302122130
53421303111144022
6130324531140140
711404050231243
oct1565125623234
9370581810766
10118805178012
1146426475734
121b037744650
13b2847b6a01
145a707a395a
15315513e35c
hex1ba957269c

118805178012 has 24 divisors (see below), whose sum is σ = 279072570000. Its totient is φ = 39335942016.

The previous prime is 118805178001. The next prime is 118805178043. The reversal of 118805178012 is 210871508811.

It is a super-2 number, since 2×1188051780122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33221137 + ... + 33224712.

It is an arithmetic number, because the mean of its divisors is an integer number (11628023750).

Almost surely, 2118805178012 is an apocalyptic number.

118805178012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118805178012 is an abundant number, since it is smaller than the sum of its proper divisors (160267391988).

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

118805178012 is a wasteful number, since it uses less digits than its factorization.

118805178012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66446005 (or 66446003 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 42.

The spelling of 118805178012 in words is "one hundred eighteen billion, eight hundred five million, one hundred seventy-eight thousand, twelve".

Divisors: 1 2 3 4 6 12 149 298 447 596 894 1788 66445849 132891698 199337547 265783396 398675094 797350188 9900431501 19800863002 29701294503 39601726004 59402589006 118805178012