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188204418980 = 22547200217467
BaseRepresentation
bin1010111101000111011…
…0111000011110100100
3122222210021211002021022
42233101312320132210
511040420312401410
6222243201510312
716411611110654
oct2572166703644
9588707732238
10188204418980
11728a9540636
1230585342398
131499462b136
1491756b6364
154d67b32455
hex2bd1db87a4

188204418980 has 24 divisors (see below), whose sum is σ = 403638415488. Its totient is φ = 73680027488.

The previous prime is 188204418973. The next prime is 188204419001. The reversal of 188204418980 is 89814402881.

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, 100107794 + ... + 100109673.

It is an arithmetic number, because the mean of its divisors is an integer number (16818267312).

Almost surely, 2188204418980 is an apocalyptic number.

188204418980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188204418980 is an abundant number, since it is smaller than the sum of its proper divisors (215433996508).

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

188204418980 is a wasteful number, since it uses less digits than its factorization.

188204418980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200217523 (or 200217521 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 53.

The spelling of 188204418980 in words is "one hundred eighty-eight billion, two hundred four million, four hundred eighteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 200217467 400434934 800869868 1001087335 2002174670 4004349340 9410220949 18820441898 37640883796 47051104745 94102209490 188204418980