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189012814688 = 25171133074779
BaseRepresentation
bin1011000000001000001…
…0101010101101100000
3200001212121221211201002
42300002002222231200
511044044240032223
6222455320331132
716440625262525
oct2600202525540
9601777854632
10189012814688
1173183896265
1230770013aa8
1314a92c605a9
149210bc914c
154db3ab6e28
hex2c020aab60

189012814688 has 48 divisors (see below), whose sum is σ = 397495259280. Its totient is φ = 88160034816.

The previous prime is 189012814673. The next prime is 189012814721. The reversal of 189012814688 is 886418210981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475918 + ... + 1598861.

It is an arithmetic number, because the mean of its divisors is an integer number (8281151235).

Almost surely, 2189012814688 is an apocalyptic number.

It is an amenable number.

189012814688 is an abundant number, since it is smaller than the sum of its proper divisors (208482444592).

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

189012814688 is a wasteful number, since it uses less digits than its factorization.

189012814688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074919 (or 3074911 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 56.

The spelling of 189012814688 in words is "one hundred eighty-nine billion, twelve million, eight hundred fourteen thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 17 32 34 68 113 136 226 272 452 544 904 1808 1921 3616 3842 7684 15368 30736 61472 3074779 6149558 12299116 24598232 49196464 52271243 98392928 104542486 209084972 347450027 418169944 694900054 836339888 1389800108 1672679776 2779600216 5559200432 5906650459 11118400864 11813300918 23626601836 47253203672 94506407344 189012814688