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2130873872 = 24445729881
BaseRepresentation
bin111111100000010…
…1000111000010000
312111111121121102112
41333000220320100
513331000430442
6551240004452
7103543062161
oct17700507020
95444547375
102130873872
119a3906096
124b5760728
1327c60a81a
14163005768
15c7115082
hex7f028e10

2130873872 has 20 divisors (see below), whose sum is σ = 4129632636. Its totient is φ = 1065162240.

The previous prime is 2130873859. The next prime is 2130873887. The reversal of 2130873872 is 2783780312.

It can be written as a sum of positive squares in 2 ways, for example, as 812022016 + 1318851856 = 28496^2 + 36316^2 .

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 3 ways as a sum of consecutive naturals, for example, 56372 + ... + 86252.

Almost surely, 22130873872 is an apocalyptic number.

It is an amenable number.

2130873872 is a deficient number, since it is larger than the sum of its proper divisors (1998758764).

2130873872 is a wasteful number, since it uses less digits than its factorization.

2130873872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34346 (or 34340 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 2130873872 is about 46161.3894071658. The cubic root of 2130873872 is about 1286.8242842815.

The spelling of 2130873872 in words is "two billion, one hundred thirty million, eight hundred seventy-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 4457 8914 17828 29881 35656 59762 71312 119524 239048 478096 133179617 266359234 532718468 1065436936 2130873872