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6944456338873 = 37892918326537
BaseRepresentation
bin110010100001110000111…
…0110100110110110111001
3220120212212002202122022221
41211003201312212312321
51402234221310320443
622434123400044041
71314502046636134
oct145034166466671
926525762678287
106944456338873
11223814461a679
12941a70463621
133b4b231c8b61
141a018356521b
15c0994312eed
hex650e1da6db9

6944456338873 has 4 divisors (see below), whose sum is σ = 6944475044340. Its totient is φ = 6944437633408.

The previous prime is 6944456338871. The next prime is 6944456338889. The reversal of 6944456338873 is 3788336544496.

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 3122384418729 + 3822071920144 = 1767027^2 + 1955012^2 .

It is a cyclic number.

It is not a de Polignac number, because 6944456338873 - 21 = 6944456338871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6944456338871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8784340 + ... + 9542197.

It is an arithmetic number, because the mean of its divisors is an integer number (1736118761085).

Almost surely, 26944456338873 is an apocalyptic number.

It is an amenable number.

6944456338873 is a deficient number, since it is larger than the sum of its proper divisors (18705467).

6944456338873 is a wasteful number, since it uses less digits than its factorization.

6944456338873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705466.

The product of its digits is 1254113280, while the sum is 70.

The spelling of 6944456338873 in words is "six trillion, nine hundred forty-four billion, four hundred fifty-six million, three hundred thirty-eight thousand, eight hundred seventy-three".

Divisors: 1 378929 18326537 6944456338873