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5279891189 is a prime number
BaseRepresentation
bin1001110101011010…
…01011111011110101
3111121222001021002112
410322231023323311
541303123004224
62231530220405
7244561222526
oct47255137365
914558037075
105279891189
11226a3a7441
121034284705
13661b38891
1438131c84d
1520d7e230e
hex13ab4bef5

5279891189 has 2 divisors, whose sum is σ = 5279891190. Its totient is φ = 5279891188.

The previous prime is 5279891167. The next prime is 5279891257. The reversal of 5279891189 is 9811989725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5278022500 + 1868689 = 72650^2 + 1367^2 .

It is a cyclic number.

It is not a de Polignac number, because 5279891189 - 28 = 5279890933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5279891159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639945594 + 2639945595.

It is an arithmetic number, because the mean of its divisors is an integer number (2639945595).

Almost surely, 25279891189 is an apocalyptic number.

It is an amenable number.

5279891189 is a deficient number, since it is larger than the sum of its proper divisors (1).

5279891189 is an equidigital number, since it uses as much as digits as its factorization.

5279891189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 59.

The square root of 5279891189 is about 72662.8597634307. The cubic root of 5279891189 is about 1741.3055763784.

The spelling of 5279891189 in words is "five billion, two hundred seventy-nine million, eight hundred ninety-one thousand, one hundred eighty-nine".