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2542561159 is a prime number
BaseRepresentation
bin1001011110001100…
…0110011110000111
320120012021111012211
42113203012132013
520201343424114
61100143524251
7120002261515
oct22743063607
96505244184
102542561159
111095233916
125ab5b9687
133169b1978
141a196d4b5
15ed3366c4
hex978c6787

2542561159 has 2 divisors, whose sum is σ = 2542561160. Its totient is φ = 2542561158.

The previous prime is 2542561127. The next prime is 2542561223. The reversal of 2542561159 is 9511652452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2542561159 - 25 = 2542561127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542561559) 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, 1271280579 + 1271280580.

It is an arithmetic number, because the mean of its divisors is an integer number (1271280580).

Almost surely, 22542561159 is an apocalyptic number.

2542561159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542561159 is an equidigital number, since it uses as much as digits as its factorization.

2542561159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 40.

The square root of 2542561159 is about 50423.8153951087. The cubic root of 2542561159 is about 1364.8674273604.

The spelling of 2542561159 in words is "two billion, five hundred forty-two million, five hundred sixty-one thousand, one hundred fifty-nine".