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5205992791 is a prime number
BaseRepresentation
bin1001101100100110…
…10010010101010111
3111102210222211112211
410312103102111113
541130213232131
62220330254251
7243003131356
oct46623222527
914383884484
105205992791
11223171348a
121013587387
1364c73380c
143755a399d
152070965b1
hex1364d2557

5205992791 has 2 divisors, whose sum is σ = 5205992792. Its totient is φ = 5205992790.

The previous prime is 5205992749. The next prime is 5205992821. The reversal of 5205992791 is 1972995025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5205992791 - 27 = 5205992663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5205995791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602996395 + 2602996396.

It is an arithmetic number, because the mean of its divisors is an integer number (2602996396).

Almost surely, 25205992791 is an apocalyptic number.

5205992791 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205992791 is an equidigital number, since it uses as much as digits as its factorization.

5205992791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 49.

The square root of 5205992791 is about 72152.5660735639. The cubic root of 5205992791 is about 1733.1434923456.

The spelling of 5205992791 in words is "five billion, two hundred five million, nine hundred ninety-two thousand, seven hundred ninety-one".