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111118940720 = 2451388986759
BaseRepresentation
bin110011101111100110…
…1000111101000110000
3101121211001220001110222
41213133031013220300
53310032422100340
6123014120312212
711012426261204
oct1473715075060
9347731801428
10111118940720
1143141821907
1219651612668
13a62b27cac8
145541a52b04
152d554708b5
hex19df347a30

111118940720 has 20 divisors (see below), whose sum is σ = 258351537360. Its totient is φ = 44447576256.

The previous prime is 111118940689. The next prime is 111118940741. The reversal of 111118940720 is 27049811111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

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, 694493300 + ... + 694493459.

It is an arithmetic number, because the mean of its divisors is an integer number (12917576868).

Almost surely, 2111118940720 is an apocalyptic number.

111118940720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111118940720 is an abundant number, since it is smaller than the sum of its proper divisors (147232596640).

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

111118940720 is a wasteful number, since it uses less digits than its factorization.

111118940720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388986772 (or 1388986766 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 111118940720 in words is "one hundred eleven billion, one hundred eighteen million, nine hundred forty thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1388986759 2777973518 5555947036 6944933795 11111894072 13889867590 22223788144 27779735180 55559470360 111118940720