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8280816013 is a prime number
BaseRepresentation
bin1111011011001001…
…10011100110001101
3210101002211001001101
413231210303212031
5113424342103023
63445410343101
7412130526511
oct75544634615
923332731041
108280816013
11356a3396a8
12173128aa91
13a1c785042
14587ac6141
15336eba1ad
hex1ed93398d

8280816013 has 2 divisors, whose sum is σ = 8280816014. Its totient is φ = 8280816012.

The previous prime is 8280815947. The next prime is 8280816029. The reversal of 8280816013 is 3106180828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8200570249 + 80245764 = 90557^2 + 8958^2 .

It is a cyclic number.

It is not a de Polignac number, because 8280816013 - 229 = 7743945101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8280816613) 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, 4140408006 + 4140408007.

It is an arithmetic number, because the mean of its divisors is an integer number (4140408007).

Almost surely, 28280816013 is an apocalyptic number.

It is an amenable number.

8280816013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8280816013 is an equidigital number, since it uses as much as digits as its factorization.

8280816013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 8280816013 is about 90998.9890768024. The cubic root of 8280816013 is about 2023.1327409906.

The spelling of 8280816013 in words is "eight billion, two hundred eighty million, eight hundred sixteen thousand, thirteen".