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44444444443 = 76349206349
BaseRepresentation
bin101001011001000110…
…000110011100011011
311020201102001201002221
4221121012012130123
51212010234210233
632230102404511
73132242354530
oct513106063433
9136642051087
1044444444443
1117937803a23
128744430737
134263aa7049
142218974d87
151251c9e42d
hexa5918671b

44444444443 has 4 divisors (see below), whose sum is σ = 50793650800. Its totient is φ = 38095238088.

The previous prime is 44444444441. The next prime is 44444444497. The reversal of 44444444443 is 34444444444.

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 44444444443 - 21 = 44444444441 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 44444444443.

It is not an unprimeable number, because it can be changed into a prime (44444444441) 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, 3174603168 + ... + 3174603181.

It is an arithmetic number, because the mean of its divisors is an integer number (12698412700).

Almost surely, 244444444443 is an apocalyptic number.

44444444443 is a deficient number, since it is larger than the sum of its proper divisors (6349206357).

44444444443 is an equidigital number, since it uses as much as digits as its factorization.

44444444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349206356.

The product of its digits is 3145728, while the sum is 43.

Adding to 44444444443 its reverse (34444444444), we get a palindrome (78888888887).

Subtracting from 44444444443 its reverse (34444444444), we obtain a palindrome (9999999999).

The spelling of 44444444443 in words is "forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-three".

Divisors: 1 7 6349206349 44444444443