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189237104347980 = 223513242611672241
BaseRepresentation
bin101011000001110000110010…
…011000100000101101001100
3220211000220001011122020102210
4223001300302120200231030
5144300430042203113410
61510250154154550420
754600633566614623
oct5301606230405514
9824026034566383
10189237104347980
115532a007004437
1219283503438410
138178ca035b8b0
1434a31a63386ba
1516d2758510220
hexac1c32620b4c

189237104347980 has 48 divisors (see below), whose sum is σ = 570622653113184. Its totient is φ = 46581441070080.

The previous prime is 189237104347969. The next prime is 189237104348009. The reversal of 189237104347980 is 89743401732981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121305835341 + ... + 121305836900.

It is an arithmetic number, because the mean of its divisors is an integer number (11887971939858).

Almost surely, 2189237104347980 is an apocalyptic number.

189237104347980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189237104347980 is an abundant number, since it is smaller than the sum of its proper divisors (381385548765204).

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

189237104347980 is a wasteful number, since it uses less digits than its factorization.

189237104347980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242611672266 (or 242611672264 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 189237104347980 in words is "one hundred eighty-nine trillion, two hundred thirty-seven billion, one hundred four million, three hundred forty-seven thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 242611672241 485223344482 727835016723 970446688964 1213058361205 1455670033446 2426116722410 2911340066892 3153951739133 3639175083615 4852233444820 6307903478266 7278350167230 9461855217399 12615806956532 14556700334460 15769758695665 18923710434798 31539517391330 37847420869596 47309276086995 63079034782660 94618552173990 189237104347980