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8182533913 is a prime number
BaseRepresentation
bin1111001111011011…
…11000111100011001
3210010020212210100121
413213231320330121
5113224212041123
63431540033241
7406525251001
oct74755707431
923106783317
108182533913
113519910924
121704392821
13a052c3458
14578a21001
1532d55475d
hex1e7b78f19

8182533913 has 2 divisors, whose sum is σ = 8182533914. Its totient is φ = 8182533912.

The previous prime is 8182533911. The next prime is 8182533923. The reversal of 8182533913 is 3193352818.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7711122969 + 471410944 = 87813^2 + 21712^2 .

It is a cyclic number.

It is not a de Polignac number, because 8182533913 - 21 = 8182533911 is a prime.

It is a super-2 number, since 2×81825339132 (a number of 21 digits) contains 22 as substring.

Together with 8182533911, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8182533913.

It is not a weakly prime, because it can be changed into another prime (8182533911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4091266956 + 4091266957.

It is an arithmetic number, because the mean of its divisors is an integer number (4091266957).

Almost surely, 28182533913 is an apocalyptic number.

It is an amenable number.

8182533913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8182533913 is an equidigital number, since it uses as much as digits as its factorization.

8182533913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 8182533913 is about 90457.3596397772. The cubic root of 8182533913 is about 2015.0969142697.

The spelling of 8182533913 in words is "eight billion, one hundred eighty-two million, five hundred thirty-three thousand, nine hundred thirteen".