Search a number
-
+
7613031689 is a prime number
BaseRepresentation
bin1110001011100010…
…11010010100001001
3201122120021002011122
413011301122110021
5111042414003224
63255233405025
7356441462444
oct70561322411
921576232148
107613031689
1132573a342a
121585709775
139443152a3
1452313665b
152e855d15e
hex1c5c5a509

7613031689 has 2 divisors, whose sum is σ = 7613031690. Its totient is φ = 7613031688.

The previous prime is 7613031653. The next prime is 7613031691. The reversal of 7613031689 is 9861303167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6795529225 + 817502464 = 82435^2 + 28592^2 .

It is a cyclic number.

It is not a de Polignac number, because 7613031689 - 212 = 7613027593 is a prime.

Together with 7613031691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7613031619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3806515844 + 3806515845.

It is an arithmetic number, because the mean of its divisors is an integer number (3806515845).

Almost surely, 27613031689 is an apocalyptic number.

It is an amenable number.

7613031689 is a deficient number, since it is larger than the sum of its proper divisors (1).

7613031689 is an equidigital number, since it uses as much as digits as its factorization.

7613031689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 7613031689 is about 87252.6887207495. The cubic root of 7613031689 is about 1967.2182550719.

The spelling of 7613031689 in words is "seven billion, six hundred thirteen million, thirty-one thousand, six hundred eighty-nine".