Search a number
-
+
5351931887 is a prime number
BaseRepresentation
bin1001111101111111…
…11111111111101111
3111210222121022100112
410332333333333233
541430043310022
62243022250235
7246424445651
oct47677777757
914728538315
105351931887
1122a7031705
12105442697b
13673a40203
1438ab126d1
15214cc28e2
hex13effffef

5351931887 has 2 divisors, whose sum is σ = 5351931888. Its totient is φ = 5351931886.

The previous prime is 5351931883. The next prime is 5351931889. The reversal of 5351931887 is 7881391535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5351931887 - 22 = 5351931883 is a prime.

Together with 5351931889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5351931883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2675965943 + 2675965944.

It is an arithmetic number, because the mean of its divisors is an integer number (2675965944).

Almost surely, 25351931887 is an apocalyptic number.

5351931887 is a deficient number, since it is larger than the sum of its proper divisors (1).

5351931887 is an equidigital number, since it uses as much as digits as its factorization.

5351931887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 50.

The square root of 5351931887 is about 73156.8991073296. The cubic root of 5351931887 is about 1749.1894899230.

The spelling of 5351931887 in words is "five billion, three hundred fifty-one million, nine hundred thirty-one thousand, eight hundred eighty-seven".