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2108968319 is a prime number
BaseRepresentation
bin111110110110100…
…0100110101111111
312102222101200122202
41331231010311333
513304343441234
6545134302115
7103155635453
oct17555046577
95388350582
102108968319
11992504127
124aa35793b
13277c0ac63
14160142663
15c523977e
hex7db44d7f

2108968319 has 2 divisors, whose sum is σ = 2108968320. Its totient is φ = 2108968318.

The previous prime is 2108968307. The next prime is 2108968357. The reversal of 2108968319 is 9138698012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2108968319 - 28 = 2108968063 is a prime.

It is a super-2 number, since 2×21089683192 = 8895494741091371522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2108968399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054484159 + 1054484160.

It is an arithmetic number, because the mean of its divisors is an integer number (1054484160).

Almost surely, 22108968319 is an apocalyptic number.

2108968319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108968319 is an equidigital number, since it uses as much as digits as its factorization.

2108968319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 2108968319 is about 45923.5050818206. The cubic root of 2108968319 is about 1282.3995351869.

The spelling of 2108968319 in words is "two billion, one hundred eight million, nine hundred sixty-eight thousand, three hundred nineteen".