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8539480013 is a prime number
BaseRepresentation
bin1111111001111111…
…00001111111001101
3211001010112112100112
413330333201333031
5114442101330023
63531210405405
7421421245121
oct77477417715
924033475315
108539480013
11369234a7a9
1217a3a30865
13a6123c16c
145b01b9581
1534ea61478
hex1fcfe1fcd

8539480013 has 2 divisors, whose sum is σ = 8539480014. Its totient is φ = 8539480012.

The previous prime is 8539479953. The next prime is 8539480021. The reversal of 8539480013 is 3100849358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5452788649 + 3086691364 = 73843^2 + 55558^2 .

It is a cyclic number.

It is not a de Polignac number, because 8539480013 - 214 = 8539463629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8539380013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4269740006 + 4269740007.

It is an arithmetic number, because the mean of its divisors is an integer number (4269740007).

Almost surely, 28539480013 is an apocalyptic number.

It is an amenable number.

8539480013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8539480013 is an equidigital number, since it uses as much as digits as its factorization.

8539480013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 8539480013 is about 92409.3069609333. The cubic root of 8539480013 is about 2043.9823538936.

The spelling of 8539480013 in words is "eight billion, five hundred thirty-nine million, four hundred eighty thousand, thirteen".