Search a number
-
+
9869130893 is a prime number
BaseRepresentation
bin10010011000011111…
…01111110010001101
3221110210111210110102
421030033233302031
5130202444142033
64311145420445
7466365141236
oct111417576215
927423453412
109869130893
11420495a126
121ab519a725
13c1385922b
14698a1808d
153cb65bde8
hex24c3efc8d

9869130893 has 2 divisors, whose sum is σ = 9869130894. Its totient is φ = 9869130892.

The previous prime is 9869130889. The next prime is 9869130907. The reversal of 9869130893 is 3980319689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9002593924 + 866536969 = 94882^2 + 29437^2 .

It is an emirp because it is prime and its reverse (3980319689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9869130893 - 22 = 9869130889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9869130823) 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, 4934565446 + 4934565447.

It is an arithmetic number, because the mean of its divisors is an integer number (4934565447).

Almost surely, 29869130893 is an apocalyptic number.

It is an amenable number.

9869130893 is a deficient number, since it is larger than the sum of its proper divisors (1).

9869130893 is an equidigital number, since it uses as much as digits as its factorization.

9869130893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The square root of 9869130893 is about 99343.4995004706. The cubic root of 9869130893 is about 2144.9950929662.

The spelling of 9869130893 in words is "nine billion, eight hundred sixty-nine million, one hundred thirty thousand, eight hundred ninety-three".