Search a number
-
+
5186430493 is a prime number
BaseRepresentation
bin1001101010010001…
…01010011000011101
3111101110011222010021
410311020222120131
541110211233433
62214351112141
7242344634416
oct46510523035
914343158107
105186430493
112221671aa2
121008b12651
136486746aa
14372b5080d
152054d022d
hex13522a61d

5186430493 has 2 divisors, whose sum is σ = 5186430494. Its totient is φ = 5186430492.

The previous prime is 5186430467. The next prime is 5186430523. The reversal of 5186430493 is 3940346815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4849451044 + 336979449 = 69638^2 + 18357^2 .

It is a cyclic number.

It is not a de Polignac number, because 5186430493 - 25 = 5186430461 is a prime.

It is a super-2 number, since 2×51864304932 = 53798122517440446098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5186430413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593215246 + 2593215247.

It is an arithmetic number, because the mean of its divisors is an integer number (2593215247).

Almost surely, 25186430493 is an apocalyptic number.

It is an amenable number.

5186430493 is a deficient number, since it is larger than the sum of its proper divisors (1).

5186430493 is an equidigital number, since it uses as much as digits as its factorization.

5186430493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 5186430493 is about 72016.8764457332. The cubic root of 5186430493 is about 1730.9699187671.

The spelling of 5186430493 in words is "five billion, one hundred eighty-six million, four hundred thirty thousand, four hundred ninety-three".