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8253431111 is a prime number
BaseRepresentation
bin1111010111111000…
…10101110101000111
3210022012021202000202
413223330111311013
5113400334243421
63442551401115
7411346002242
oct75374256507
923265252022
108253431111
113555934a52
12172408319b
13a16bb7463
145841d8259
153348ab10b
hex1ebf15d47

8253431111 has 2 divisors, whose sum is σ = 8253431112. Its totient is φ = 8253431110.

The previous prime is 8253431101. The next prime is 8253431149. The reversal of 8253431111 is 1111343528.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8253431111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8253431101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126715555 + 4126715556.

It is an arithmetic number, because the mean of its divisors is an integer number (4126715556).

Almost surely, 28253431111 is an apocalyptic number.

8253431111 is a deficient number, since it is larger than the sum of its proper divisors (1).

8253431111 is an equidigital number, since it uses as much as digits as its factorization.

8253431111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

The square root of 8253431111 is about 90848.3963039524. The cubic root of 8253431111 is about 2020.9000915492.

Adding to 8253431111 its reverse (1111343528), we get a palindrome (9364774639).

The spelling of 8253431111 in words is "eight billion, two hundred fifty-three million, four hundred thirty-one thousand, one hundred eleven".