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444221043005 = 519313794547
BaseRepresentation
bin1100111011011011010…
…00110011000100111101
31120110121112021002221102
412131231220303010331
524234231041334010
6540023342342445
744044132364435
oct6355550630475
91513545232842
10444221043005
1116143621a533
127211488aa25
1332b7505668c
14177011c32c5
15b84dc69ba5
hex676da3313d

444221043005 has 32 divisors (see below), whose sum is σ = 566788786560. Its totient is φ = 334211789952.

The previous prime is 444221043001. The next prime is 444221043053. The reversal of 444221043005 is 500340122444.

It is not a de Polignac number, because 444221043005 - 22 = 444221043001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444221043001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4651142 + ... + 4745688.

It is an arithmetic number, because the mean of its divisors is an integer number (17712149580).

Almost surely, 2444221043005 is an apocalyptic number.

It is an amenable number.

444221043005 is a deficient number, since it is larger than the sum of its proper divisors (122567743555).

444221043005 is an equidigital number, since it uses as much as digits as its factorization.

444221043005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94746 (or 94708 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 444221043005 its reverse (500340122444), we get a palindrome (944561165449).

The spelling of 444221043005 in words is "four hundred forty-four billion, two hundred twenty-one million, forty-three thousand, five".

Divisors: 1 5 19 95 137 361 685 1805 2603 6859 13015 34295 49457 94547 247285 472735 939683 1796393 4698415 8981965 12952939 34131467 64764695 170657335 246105841 648497873 1230529205 3242489365 4676010979 23380054895 88844208601 444221043005