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118521960980 = 2256179604697
BaseRepresentation
bin110111001100001110…
…1011001101000010100
3102022220222222110010112
41232120131121220110
53420213110222410
6130240452542152
711364041021513
oct1563035315024
9368828873115
10118521960980
11462a0614575
121ab78921958
13b23ac13c77
145a44d1c67a
15313a348105
hex1b98759a14

118521960980 has 24 divisors (see below), whose sum is σ = 249299541288. Its totient is φ = 47331941888.

The previous prime is 118521960979. The next prime is 118521961001. The reversal of 118521960980 is 89069125811.

It can be written as a sum of positive squares in 4 ways, for example, as 1232150404 + 117289810576 = 35102^2 + 342476^2 .

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, 4790009 + ... + 4814688.

It is an arithmetic number, because the mean of its divisors is an integer number (10387480887).

Almost surely, 2118521960980 is an apocalyptic number.

118521960980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118521960980 is an abundant number, since it is smaller than the sum of its proper divisors (130777580308).

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

118521960980 is a wasteful number, since it uses less digits than its factorization.

118521960980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9605323 (or 9605321 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 50.

The spelling of 118521960980 in words is "one hundred eighteen billion, five hundred twenty-one million, nine hundred sixty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 617 1234 2468 3085 6170 12340 9604697 19209394 38418788 48023485 96046970 192093940 5926098049 11852196098 23704392196 29630490245 59260980490 118521960980