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389819982132 = 22347171878299
BaseRepresentation
bin1011010110000110001…
…01001110000100110100
31101021012020001212210000
411223003011032010310
522341322403412012
6455025243031300
740110050114430
oct5530305160464
91337166055700
10389819982132
1114035a243299
1263671b0b530
132a9b5571b29
1414c2017d9c0
15a217d2bddc
hex5ac314e134

389819982132 has 60 divisors (see below), whose sum is σ = 1164647360800. Its totient is φ = 111377137104.

The previous prime is 389819982113. The next prime is 389819982157. The reversal of 389819982132 is 231289918983.

389819982132 is a `hidden beast` number, since 389 + 81 + 99 + 82 + 13 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 389819982132.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 85936882 + ... + 85941417.

Almost surely, 2389819982132 is an apocalyptic number.

It is an amenable number.

389819982132 is an abundant number, since it is smaller than the sum of its proper divisors (774827378668).

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

389819982132 is a wasteful number, since it uses less digits than its factorization.

389819982132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171878322 (or 171878311 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 63.

The spelling of 389819982132 in words is "three hundred eighty-nine billion, eight hundred nineteen million, nine hundred eighty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 171878299 343756598 515634897 687513196 1031269794 1203148093 1546904691 2062539588 2406296186 3093809382 3609444279 4640714073 4812592372 6187618764 7218888558 9281428146 10828332837 13922142219 14437777116 18562856292 21656665674 27844284438 32484998511 43313331348 55688568876 64969997022 97454995533 129939994044 194909991066 389819982132