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118157244420 = 22352221886667
BaseRepresentation
bin110111000001010111…
…0000111100000000100
3102021222120200221001210
41232002232013200010
53413441223310140
6130140343451420
711352022002105
oct1560256074004
9367876627053
10118157244420
1146123758626
121aa96756b70
13b1b04a7457
145a0c7003ac
153118303d80
hex1b82b87804

118157244420 has 48 divisors (see below), whose sum is σ = 330989617728. Its totient is φ = 31494376320.

The previous prime is 118157244409. The next prime is 118157244449. The reversal of 118157244420 is 24442751811.

It is a super-2 number, since 2×1181572444202 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310074 + ... + 576593.

It is an arithmetic number, because the mean of its divisors is an integer number (6895617036).

Almost surely, 2118157244420 is an apocalyptic number.

118157244420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118157244420 is an abundant number, since it is smaller than the sum of its proper divisors (212832373308).

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

118157244420 is a wasteful number, since it uses less digits than its factorization.

118157244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888900 (or 888898 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 118157244420 in words is "one hundred eighteen billion, one hundred fifty-seven million, two hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2221 4442 6663 8884 11105 13326 22210 26652 33315 44420 66630 133260 886667 1773334 2660001 3546668 4433335 5320002 8866670 10640004 13300005 17733340 26600010 53200020 1969287407 3938574814 5907862221 7877149628 9846437035 11815724442 19692874070 23631448884 29539311105 39385748140 59078622210 118157244420