Search a number
-
+
5171049893 is a prime number
BaseRepresentation
bin1001101000011011…
…11111010110100101
3111100101020112220102
410310031333112211
541042242044033
62213041313445
7242100125132
oct46415772645
914311215812
105171049893
112213a17359
121003935885
1364541aa49
14370aa9589
15203e92de8
hex13437f5a5

5171049893 has 2 divisors, whose sum is σ = 5171049894. Its totient is φ = 5171049892.

The previous prime is 5171049889. The next prime is 5171049907. The reversal of 5171049893 is 3989401715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4411882084 + 759167809 = 66422^2 + 27553^2 .

It is a cyclic number.

It is not a de Polignac number, because 5171049893 - 22 = 5171049889 is a prime.

It is a super-2 number, since 2×51710498932 = 53479513991790622898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5171099893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585524946 + 2585524947.

It is an arithmetic number, because the mean of its divisors is an integer number (2585524947).

Almost surely, 25171049893 is an apocalyptic number.

It is an amenable number.

5171049893 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171049893 is an equidigital number, since it uses as much as digits as its factorization.

5171049893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 5171049893 is about 71910.0124669715. The cubic root of 5171049893 is about 1729.2571340293.

The spelling of 5171049893 in words is "five billion, one hundred seventy-one million, forty-nine thousand, eight hundred ninety-three".