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5171552557 is a prime number
BaseRepresentation
bin1001101000011111…
…11010000100101101
3111100102012002102121
410310033322010231
541042404140212
62213100152541
7242104320463
oct46417720455
914312162377
105171552557
11221422aa86
121003b38751
13645565792
14370b9a833
15204041d07
hex1343fa12d

5171552557 has 2 divisors, whose sum is σ = 5171552558. Its totient is φ = 5171552556.

The previous prime is 5171552531. The next prime is 5171552579. The reversal of 5171552557 is 7552551715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4817886921 + 353665636 = 69411^2 + 18806^2 .

It is a cyclic number.

It is not a de Polignac number, because 5171552557 - 231 = 3024068909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5171552597) 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, 2585776278 + 2585776279.

It is an arithmetic number, because the mean of its divisors is an integer number (2585776279).

Almost surely, 25171552557 is an apocalyptic number.

It is an amenable number.

5171552557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171552557 is an equidigital number, since it uses as much as digits as its factorization.

5171552557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306250, while the sum is 43.

The square root of 5171552557 is about 71913.5074725187. The cubic root of 5171552557 is about 1729.3131643753.

The spelling of 5171552557 in words is "five billion, one hundred seventy-one million, five hundred fifty-two thousand, five hundred fifty-seven".