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18889927300 = 2252199942067
BaseRepresentation
bin10001100101111011…
…010110101010000100
31210202110201201210001
4101211323112222010
5302141310133200
612402232411044
71236052506226
oct214573265204
953673651701
1018889927300
118013964a72
1237b2246a84
131a2070b29a
14cb2ac4416
1575859576a
hex465ed6a84

18889927300 has 36 divisors (see below), whose sum is σ = 43148575120. Its totient is φ = 7158287520.

The previous prime is 18889927291. The next prime is 18889927321. The reversal of 18889927300 is 372998881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4969134 + ... + 4972933.

Almost surely, 218889927300 is an apocalyptic number.

18889927300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18889927300 is an abundant number, since it is smaller than the sum of its proper divisors (24258647820).

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

18889927300 is a wasteful number, since it uses less digits than its factorization.

18889927300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9942100 (or 9942093 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 18889927300 in words is "eighteen billion, eight hundred eighty-nine million, nine hundred twenty-seven thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 9942067 19884134 39768268 49710335 99420670 188899273 198841340 248551675 377798546 497103350 755597092 944496365 994206700 1888992730 3777985460 4722481825 9444963650 18889927300