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144443231311 = 532725343987
BaseRepresentation
bin1000011010000101111…
…1001100110001001111
3111210211111102102020211
42012201133030301033
54331304431400221
6150204543423251
713302303131311
oct2064137146117
9453744372224
10144443231311
1156292490635
1223bb18b4b27
131080c280552
146dc379b7b1
153b55d496e1
hex21a17ccc4f

144443231311 has 4 divisors (see below), whose sum is σ = 147168575352. Its totient is φ = 141717887272.

The previous prime is 144443231267. The next prime is 144443231323. The reversal of 144443231311 is 113132344441.

144443231311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144443231311 - 219 = 144442707023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144443231351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362671941 + ... + 1362672046.

It is an arithmetic number, because the mean of its divisors is an integer number (36792143838).

Almost surely, 2144443231311 is an apocalyptic number.

144443231311 is a deficient number, since it is larger than the sum of its proper divisors (2725344041).

144443231311 is an equidigital number, since it uses as much as digits as its factorization.

144443231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725344040.

The product of its digits is 13824, while the sum is 31.

Adding to 144443231311 its reverse (113132344441), we get a palindrome (257575575752).

The spelling of 144443231311 in words is "one hundred forty-four billion, four hundred forty-three million, two hundred thirty-one thousand, three hundred eleven".

Divisors: 1 53 2725343987 144443231311