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8105904223 is a prime number
BaseRepresentation
bin1111000110010011…
…00100100001011111
3202220220200121011221
413203021210201133
5113100102413343
63420201354211
7404605022554
oct74311444137
922826617157
108105904223
11348a6318aa
1216a2798967
139c2473141
1456c794a2b
153269695ed
hex1e326485f

8105904223 has 2 divisors, whose sum is σ = 8105904224. Its totient is φ = 8105904222.

The previous prime is 8105904151. The next prime is 8105904227. The reversal of 8105904223 is 3224095018.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8105904223 - 29 = 8105903711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8105904227) 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, 4052952111 + 4052952112.

It is an arithmetic number, because the mean of its divisors is an integer number (4052952112).

Almost surely, 28105904223 is an apocalyptic number.

8105904223 is a deficient number, since it is larger than the sum of its proper divisors (1).

8105904223 is an equidigital number, since it uses as much as digits as its factorization.

8105904223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 8105904223 is about 90032.7952637260. The cubic root of 8105904223 is about 2008.7866924029.

The spelling of 8105904223 in words is "eight billion, one hundred five million, nine hundred four thousand, two hundred twenty-three".