Search a number
-
+
5087819509 is a prime number
BaseRepresentation
bin1001011110100000…
…11111011011110101
3111010120122000021121
410233100133123311
540404440211014
62200505343541
7240036516013
oct45720373365
914116560247
105087819509
112180a3a113
12b9ba97bb1
136310c91b6
14363a018b3
151eba02124
hex12f41f6f5

5087819509 has 2 divisors, whose sum is σ = 5087819510. Its totient is φ = 5087819508.

The previous prime is 5087819467. The next prime is 5087819521. The reversal of 5087819509 is 9059187805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3732843409 + 1354976100 = 61097^2 + 36810^2 .

It is a cyclic number.

It is not a de Polignac number, because 5087819509 - 211 = 5087817461 is a prime.

It is a super-2 number, since 2×50878195092 = 51771814712322002162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5087819599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2543909754 + 2543909755.

It is an arithmetic number, because the mean of its divisors is an integer number (2543909755).

Almost surely, 25087819509 is an apocalyptic number.

It is an amenable number.

5087819509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5087819509 is an equidigital number, since it uses as much as digits as its factorization.

5087819509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 52.

The square root of 5087819509 is about 71328.9528102018. The cubic root of 5087819509 is about 1719.9291827928.

The spelling of 5087819509 in words is "five billion, eighty-seven million, eight hundred nineteen thousand, five hundred nine".