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13443122343 = 37640148683
BaseRepresentation
bin11001000010100010…
…11100010010100111
31021200212121101001010
430201101130102213
5210012414403333
610101540433303
7654063440340
oct144121342247
937625541033
1013443122343
115779323872
1227320a8833
131363131081
149175570c7
1553a2d2563
hex32145c4a7

13443122343 has 8 divisors (see below), whose sum is σ = 20484757888. Its totient is φ = 7681784184.

The previous prime is 13443122311. The next prime is 13443122359. The reversal of 13443122343 is 34322134431.

It is a happy number.

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

It is not a de Polignac number, because 13443122343 - 25 = 13443122311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13443122343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443122743) 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, 320074321 + ... + 320074362.

It is an arithmetic number, because the mean of its divisors is an integer number (2560594736).

Almost surely, 213443122343 is an apocalyptic number.

13443122343 is a deficient number, since it is larger than the sum of its proper divisors (7041635545).

13443122343 is an equidigital number, since it uses as much as digits as its factorization.

13443122343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640148693.

The product of its digits is 20736, while the sum is 30.

Adding to 13443122343 its reverse (34322134431), we get a palindrome (47765256774).

The spelling of 13443122343 in words is "thirteen billion, four hundred forty-three million, one hundred twenty-two thousand, three hundred forty-three".

Divisors: 1 3 7 21 640148683 1920446049 4481040781 13443122343