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8543232013 is a prime number
BaseRepresentation
bin1111111010011011…
…10110000000001101
3211001101121011010111
413331031312000031
5114444031411023
63531423040021
7421465162651
oct77515660015
924041534114
108543232013
113694482728
1217a5140011
13a61c53b94
145b08b4a61
1535005300d
hex1fd37600d

8543232013 has 2 divisors, whose sum is σ = 8543232014. Its totient is φ = 8543232012.

The previous prime is 8543232011. The next prime is 8543232053. The reversal of 8543232013 is 3102323458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4731651369 + 3811580644 = 68787^2 + 61738^2 .

It is a cyclic number.

It is not a de Polignac number, because 8543232013 - 21 = 8543232011 is a prime.

Together with 8543232011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8543232011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4271616006 + 4271616007.

It is an arithmetic number, because the mean of its divisors is an integer number (4271616007).

Almost surely, 28543232013 is an apocalyptic number.

It is an amenable number.

8543232013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8543232013 is an equidigital number, since it uses as much as digits as its factorization.

8543232013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 8543232013 is about 92429.6057169996. The cubic root of 8543232013 is about 2044.2816655953.

The spelling of 8543232013 in words is "eight billion, five hundred forty-three million, two hundred thirty-two thousand, thirteen".