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13444466779 = 173721374351
BaseRepresentation
bin11001000010101101…
…00100100001011011
31021200222010200021001
430201112210201123
5210013240414104
610102025325431
7654111040102
oct144126444133
937628120231
1013444466779
11577a061977
122732636877
1313634b1cb3
149177c7039
1553a49aaa4
hex3215a485b

13444466779 has 8 divisors (see below), whose sum is σ = 14620056768. Its totient is φ = 12311625600.

The previous prime is 13444466773. The next prime is 13444466797. The reversal of 13444466779 is 97766444431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13444466779 - 29 = 13444466267 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (13444466773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10686547 + ... + 10687804.

It is an arithmetic number, because the mean of its divisors is an integer number (1827507096).

Almost surely, 213444466779 is an apocalyptic number.

13444466779 is a deficient number, since it is larger than the sum of its proper divisors (1175589989).

13444466779 is a wasteful number, since it uses less digits than its factorization.

13444466779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21374405.

The product of its digits is 12192768, while the sum is 55.

The spelling of 13444466779 in words is "thirteen billion, four hundred forty-four million, four hundred sixty-six thousand, seven hundred seventy-nine".

Divisors: 1 17 37 629 21374351 363363967 790850987 13444466779