Search a number
-
+
5131769789 is a prime number
BaseRepresentation
bin1001100011110000…
…01001011110111101
3111020122022220201202
410301320021132331
541002213113124
62205115345245
7241112215646
oct46170113675
914218286652
105131769789
1121a3828663
12bb2752225
1363a246a93
143697a26cd
152007d45ae
hex131e097bd

5131769789 has 2 divisors, whose sum is σ = 5131769790. Its totient is φ = 5131769788.

The previous prime is 5131769743. The next prime is 5131769807. The reversal of 5131769789 is 9879671315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5122264900 + 9504889 = 71570^2 + 3083^2 .

It is a cyclic number.

It is not a de Polignac number, because 5131769789 - 232 = 836802493 is a prime.

It is a super-2 number, since 2×51317697892 = 52670122334586209042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5131769089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565884894 + 2565884895.

It is an arithmetic number, because the mean of its divisors is an integer number (2565884895).

Almost surely, 25131769789 is an apocalyptic number.

It is an amenable number.

5131769789 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131769789 is an equidigital number, since it uses as much as digits as its factorization.

5131769789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 56.

The square root of 5131769789 is about 71636.3719698311. The cubic root of 5131769789 is about 1724.8674309939.

The spelling of 5131769789 in words is "five billion, one hundred thirty-one million, seven hundred sixty-nine thousand, seven hundred eighty-nine".