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2162105279 is a prime number
BaseRepresentation
bin1000000011011111…
…0001101110111111
312120200101022212022
42000313301232333
513411444332104
6554313230355
7104402406635
oct20067615677
95520338768
102162105279
11a0a4a7774
125041023bb
13285c24149
14167215355
15c9c33bbe
hex80df1bbf

2162105279 has 2 divisors, whose sum is σ = 2162105280. Its totient is φ = 2162105278.

The previous prime is 2162105251. The next prime is 2162105287. The reversal of 2162105279 is 9725012612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2162105279 - 224 = 2145328063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162105219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081052639 + 1081052640.

It is an arithmetic number, because the mean of its divisors is an integer number (1081052640).

Almost surely, 22162105279 is an apocalyptic number.

2162105279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162105279 is an equidigital number, since it uses as much as digits as its factorization.

2162105279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 2162105279 is about 46498.4438341758. The cubic root of 2162105279 is about 1293.0806485852.

The spelling of 2162105279 in words is "two billion, one hundred sixty-two million, one hundred five thousand, two hundred seventy-nine".