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13443400011 = 319235849123
BaseRepresentation
bin11001000010100101…
…00000000101001011
31021200220010110221010
430201102200011023
5210013002300021
610101550415003
7654066005016
oct144122400513
937626113833
1013443400011
1157794a3448
122732201463
1313631ca582
149175ca37d
1553a339976
hex3214a014b

13443400011 has 8 divisors (see below), whose sum is σ = 18867929920. Its totient is φ = 8490568392.

The previous prime is 13443400001. The next prime is 13443400039. The reversal of 13443400011 is 11000434431.

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

It is not a de Polignac number, because 13443400011 - 25 = 13443399979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13443400001) 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, 117924505 + ... + 117924618.

It is an arithmetic number, because the mean of its divisors is an integer number (2358491240).

Almost surely, 213443400011 is an apocalyptic number.

13443400011 is a deficient number, since it is larger than the sum of its proper divisors (5424529909).

13443400011 is a wasteful number, since it uses less digits than its factorization.

13443400011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235849145.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13443400011 its reverse (11000434431), we get a palindrome (24443834442).

The spelling of 13443400011 in words is "thirteen billion, four hundred forty-three million, four hundred thousand, eleven".

Divisors: 1 3 19 57 235849123 707547369 4481133337 13443400011