Search a number
-
+
76913592889 = 72396192
BaseRepresentation
bin100011110100001101…
…0000100101000111001
321100112020111100101111
41013220122010220321
52230004334433024
655200021120321
75361663516100
oct1075032045071
9240466440344
1076913592889
112a689799801
1212aa62590a1
137339888b13
143a18cbd037
15200255ca94
hex11e8684a39

76913592889 has 9 divisors (see below), whose sum is σ = 89473172517. Its totient is φ = 65924272764.

The previous prime is 76913592887. The next prime is 76913592913. The reversal of 76913592889 is 98829531967.

The square root of 76913592889 is 277333.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 76913592889 - 21 = 76913592887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76913592887) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1921522 + ... + 1961140.

It is an arithmetic number, because the mean of its divisors is an integer number (9941463613).

Almost surely, 276913592889 is an apocalyptic number.

76913592889 is the 277333-rd square number.

76913592889 is the 138667-th centered octagonal number.

It is an amenable number.

76913592889 is a deficient number, since it is larger than the sum of its proper divisors (12559579628).

76913592889 is an frugal number, since it uses more digits than its factorization.

76913592889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79252 (or 39626 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 67.

The spelling of 76913592889 in words is "seventy-six billion, nine hundred thirteen million, five hundred ninety-two thousand, eight hundred eighty-nine".

Divisors: 1 7 49 39619 277333 1941331 1569665161 10987656127 76913592889