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6960980426689 = 26383672
BaseRepresentation
bin110010101001011101011…
…0000111111111111000001
3220122110111200202021110101
41211102322300333333001
51403022041442123224
622445455200402401
71315625404236232
oct145227260777701
926573450667411
106960980426689
112244153a843a3
12945102316401
133b655771c103
141a0cadd5d089
15c110ed2e044
hex654bac3ffc1

6960980426689 has 3 divisors (see below), whose sum is σ = 6960983065057. Its totient is φ = 6960977788322.

The previous prime is 6960980426639. The next prime is 6960980426713. The reversal of 6960980426689 is 9866240890696.

The square root of 6960980426689 is 2638367.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 6960980426689 - 211 = 6960980424641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6960980426639) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1319184 + ... + 3957550.

Almost surely, 26960980426689 is an apocalyptic number.

6960980426689 is the 2638367-th square number.

6960980426689 is the 1319184-th centered octagonal number.

It is an amenable number.

6960980426689 is a deficient number, since it is larger than the sum of its proper divisors (2638368).

6960980426689 is an frugal number, since it uses more digits than its factorization.

6960980426689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276734 (or 2638367 counting only the distinct ones).

The product of its (nonzero) digits is 483729408, while the sum is 73.

The spelling of 6960980426689 in words is "six trillion, nine hundred sixty billion, nine hundred eighty million, four hundred twenty-six thousand, six hundred eighty-nine".

Divisors: 1 2638367 6960980426689