Search a number
-
+
13445344327 = 29677394793
BaseRepresentation
bin11001000010110011…
…11010110001000111
31021201000210021000211
430201121322301013
5210014002004302
610102100220251
7654121353412
oct144131726107
937630707024
1013445344327
11577a601218
12273299a687
13136372b55c
14917974b79
1553a5c0ad7
hex32167ac47

13445344327 has 16 divisors (see below), whose sum is σ = 14310102240. Its totient is φ = 12612644352.

The previous prime is 13445344303. The next prime is 13445344333. The reversal of 13445344327 is 72344354431.

13445344327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13445344327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13445344327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445354327) 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 15 ways as a sum of consecutive naturals, for example, 94443 + ... + 189235.

It is an arithmetic number, because the mean of its divisors is an integer number (894381390).

Almost surely, 213445344327 is an apocalyptic number.

13445344327 is a deficient number, since it is larger than the sum of its proper divisors (864757913).

13445344327 is an equidigital number, since it uses as much as digits as its factorization.

13445344327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94962.

The product of its digits is 483840, while the sum is 40.

Adding to 13445344327 its reverse (72344354431), we get a palindrome (85789698758).

The spelling of 13445344327 in words is "thirteen billion, four hundred forty-five million, three hundred forty-four thousand, three hundred twenty-seven".

Divisors: 1 29 67 73 1943 2117 4891 94793 141839 2748997 6351131 6919889 184182799 200676781 463632563 13445344327