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2143899682 = 217221117579
BaseRepresentation
bin111111111001001…
…0101000000100010
312112102010101110221
41333302111000202
513342314242212
6552423113254
7104061563251
oct17762250042
95472111427
102143899682
11a001a2621
124b9ba282a
1328221b6c2
14164a36798
15c8339807
hex7fc95022

2143899682 has 24 divisors (see below), whose sum is σ = 3432530160. Its totient is φ = 1004055360.

The previous prime is 2143899673. The next prime is 2143899707. The reversal of 2143899682 is 2869983412.

It is a super-2 number, since 2×21438996822 = 9192611692959402248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113169 + ... + 130747.

It is an arithmetic number, because the mean of its divisors is an integer number (143022090).

Almost surely, 22143899682 is an apocalyptic number.

2143899682 is a deficient number, since it is larger than the sum of its proper divisors (1288630478).

2143899682 is a wasteful number, since it uses less digits than its factorization.

2143899682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17826 (or 17809 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 2143899682 is about 46302.2643290801. The cubic root of 2143899682 is about 1289.4410337959.

The spelling of 2143899682 in words is "two billion, one hundred forty-three million, eight hundred ninety-nine thousand, six hundred eighty-two".

Divisors: 1 2 17 34 211 289 422 578 3587 7174 17579 35158 60979 121958 298843 597686 3709169 5080331 7418338 10160662 63055873 126111746 1071949841 2143899682