Search a number
-
+
7969382496769 = 10613750907613
BaseRepresentation
bin111001111111000010000…
…1101100111101000000001
31001012212100222011002022011
41303332010031213220001
52021032243404344034
624541030032412521
71451524504351351
oct163760415475001
931185328132264
107969382496769
1125a2883726961
12a8862a0a7141
1345a681615645
141d7a12212b61
15dc47e012864
hex73f84367a01

7969382496769 has 4 divisors (see below), whose sum is σ = 7970133414996. Its totient is φ = 7968631578544.

The previous prime is 7969382496737. The next prime is 7969382496851. The reversal of 7969382496769 is 9676942839697.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7881562137744 + 87820359025 = 2807412^2 + 296345^2 .

It is a cyclic number.

It is not a de Polignac number, because 7969382496769 - 25 = 7969382496737 is a prime.

It is a super-2 number, since 2×79693824967692 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7969382496469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375443194 + ... + 375464419.

It is an arithmetic number, because the mean of its divisors is an integer number (1992533353749).

Almost surely, 27969382496769 is an apocalyptic number.

It is an amenable number.

7969382496769 is a deficient number, since it is larger than the sum of its proper divisors (750918227).

7969382496769 is a wasteful number, since it uses less digits than its factorization.

7969382496769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750918226.

The product of its digits is 13332791808, while the sum is 85.

The spelling of 7969382496769 in words is "seven trillion, nine hundred sixty-nine billion, three hundred eighty-two million, four hundred ninety-six thousand, seven hundred sixty-nine".

Divisors: 1 10613 750907613 7969382496769