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2168942912 = 26109131063
BaseRepresentation
bin1000000101000111…
…0111000101000000
312121011020201022222
42001101313011000
513420222133122
6555115550212
7104514465503
oct20121670500
95534221288
102168942912
11a13347a04
1250645b368
13287479496
141680b513a
15ca634b42
hex81477140

2168942912 has 28 divisors (see below), whose sum is σ = 4308079776. Its totient is φ = 1083442560.

The previous prime is 2168942873. The next prime is 2168942953. The reversal of 2168942912 is 2192498612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54293 + ... + 85355.

It is an arithmetic number, because the mean of its divisors is an integer number (153859992).

Almost surely, 22168942912 is an apocalyptic number.

It is an amenable number.

2168942912 is a deficient number, since it is larger than the sum of its proper divisors (2139136864).

2168942912 is a wasteful number, since it uses less digits than its factorization.

2168942912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32166 (or 32156 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 2168942912 is about 46571.9111911891. The cubic root of 2168942912 is about 1294.4423317009.

The spelling of 2168942912 in words is "two billion, one hundred sixty-eight million, nine hundred forty-two thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 64 1091 2182 4364 8728 17456 31063 34912 62126 69824 124252 248504 497008 994016 1988032 33889733 67779466 135558932 271117864 542235728 1084471456 2168942912