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13401442443 = 36766673843
BaseRepresentation
bin11000111101100100…
…11100100010001011
31021120222011210222010
430132302130202023
5204421232124233
610053451231003
7653046244524
oct143662344213
937528153863
1013401442443
115757846074
122720148463
1313575c99cc
14911bc784b
155367ecb63
hex31ec9c88b

13401442443 has 8 divisors (see below), whose sum is σ = 18135285568. Its totient is φ = 8800947144.

The previous prime is 13401442441. The next prime is 13401442477. The reversal of 13401442443 is 34424410431.

13401442443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13401442443 - 21 = 13401442441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13401442443.

It is not an unprimeable number, because it can be changed into a prime (13401442441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33336721 + ... + 33337122.

It is an arithmetic number, because the mean of its divisors is an integer number (2266910696).

Almost surely, 213401442443 is an apocalyptic number.

13401442443 is a deficient number, since it is larger than the sum of its proper divisors (4733843125).

13401442443 is an equidigital number, since it uses as much as digits as its factorization.

13401442443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66673913.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 13401442443 its reverse (34424410431), we get a palindrome (47825852874).

The spelling of 13401442443 in words is "thirteen billion, four hundred one million, four hundred forty-two thousand, four hundred forty-three".

Divisors: 1 3 67 201 66673843 200021529 4467147481 13401442443