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44444211331 = 132673390763
BaseRepresentation
bin101001011001000101…
…001101100010000011
311020201101121212100011
4221121011031202003
51212010204230311
632230053405351
73132240364102
oct513105154203
9136641555304
1044444211331
1117937664873
128744339857
134263a24c00
142218914039
151251c55321
hexa5914d883

44444211331 has 12 divisors (see below), whose sum is σ = 48197613288. Its totient is φ = 40964361984.

The previous prime is 44444211311. The next prime is 44444211389. The reversal of 44444211331 is 13311244444.

It is not a de Polignac number, because 44444211331 - 217 = 44444080259 is a prime.

It is a super-2 number, since 2×444442113312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44444211293 and 44444211302.

It is not an unprimeable number, because it can be changed into a prime (44444211311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81645 + ... + 309118.

It is an arithmetic number, because the mean of its divisors is an integer number (4016467774).

Almost surely, 244444211331 is an apocalyptic number.

44444211331 is a deficient number, since it is larger than the sum of its proper divisors (3753401957).

44444211331 is a wasteful number, since it uses less digits than its factorization.

44444211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391462 (or 391449 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 44444211331 its reverse (13311244444), we get a palindrome (57755455775).

The spelling of 44444211331 in words is "forty-four billion, four hundred forty-four million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 13 169 673 8749 113737 390763 5079919 66038947 262983499 3418785487 44444211331