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44243221143 = 31138917831933
BaseRepresentation
bin101001001101000110…
…011111101010010111
311020012101102111122010
4221031012133222113
51211102231034033
632154113435303
73124250113632
oct511506375227
9136171374563
1044243221143
1117844165980
1286a8b6bb33
1342311b1cc4
1421d9d54c19
15123e2a2863
hexa4d19fa97

44243221143 has 32 divisors (see below), whose sum is σ = 64588792320. Its totient is φ = 26716314240.

The previous prime is 44243221079. The next prime is 44243221147. The reversal of 44243221143 is 34112234244.

It is not a de Polignac number, because 44243221143 - 26 = 44243221079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44243221143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44243221147) 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, 22887405 + ... + 22889337.

It is an arithmetic number, because the mean of its divisors is an integer number (2018399760).

Almost surely, 244243221143 is an apocalyptic number.

44243221143 is a deficient number, since it is larger than the sum of its proper divisors (20345571177).

44243221143 is a wasteful number, since it uses less digits than its factorization.

44243221143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119.

The product of its digits is 18432, while the sum is 30.

Adding to 44243221143 its reverse (34112234244), we get a palindrome (78355455387).

The spelling of 44243221143 in words is "forty-four billion, two hundred forty-three million, two hundred twenty-one thousand, one hundred forty-three".

Divisors: 1 3 11 33 389 1167 1783 1933 4279 5349 5799 12837 19613 21263 58839 63789 693587 751937 2080761 2255811 3446539 7629457 8271307 10339617 22888371 24813921 37911929 113735787 1340703671 4022111013 14747740381 44243221143