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1444124111 = 5092837179
BaseRepresentation
bin101011000010011…
…1001010111001111
310201122101002212012
41112010321113033
510424143432421
6355144331435
750533565243
oct12604712717
93648332765
101444124111
11681196901
12343773b7b
131a025a511
14d9b1a423
1586bad95b
hex561395cf

1444124111 has 4 divisors (see below), whose sum is σ = 1446961800. Its totient is φ = 1441286424.

The previous prime is 1444124093. The next prime is 1444124117. The reversal of 1444124111 is 1114214441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1114214441 = 3073629363.

It is a cyclic number.

It is not a de Polignac number, because 1444124111 - 26 = 1444124047 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 (1444124117) 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 3 ways as a sum of consecutive naturals, for example, 1418081 + ... + 1419098.

It is an arithmetic number, because the mean of its divisors is an integer number (361740450).

Almost surely, 21444124111 is an apocalyptic number.

1444124111 is a deficient number, since it is larger than the sum of its proper divisors (2837689).

1444124111 is an equidigital number, since it uses as much as digits as its factorization.

1444124111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837688.

The product of its digits is 512, while the sum is 23.

The square root of 1444124111 is about 38001.6330043855. The cubic root of 1444124111 is about 1130.3202452030.

Adding to 1444124111 its reverse (1114214441), we get a palindrome (2558338552).

The spelling of 1444124111 in words is "one billion, four hundred forty-four million, one hundred twenty-four thousand, one hundred eleven".

Divisors: 1 509 2837179 1444124111