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444020333143 = 31413111123303
BaseRepresentation
bin1100111011000011010…
…11001001101001010111
31120110002112120222202211
412131201223021221113
524233323201130033
6535551412414251
744036144362462
oct6354153115127
91513075528684
10444020333143
111613429a2212
1272079617387
1332b425b124a
14176c26982d9
15b83b3202cd
hex6761ac9a57

444020333143 has 16 divisors (see below), whose sum is σ = 471032819712. Its totient is φ = 417868344000.

The previous prime is 444020333131. The next prime is 444020333153. The reversal of 444020333143 is 341333020444.

It is not a de Polignac number, because 444020333143 - 25 = 444020333111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444020333153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166371 + ... + 956932.

It is an arithmetic number, because the mean of its divisors is an integer number (29439551232).

Almost surely, 2444020333143 is an apocalyptic number.

444020333143 is a deficient number, since it is larger than the sum of its proper divisors (27012486569).

444020333143 is a wasteful number, since it uses less digits than its factorization.

444020333143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123686.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 444020333143 its reverse (341333020444), we get a palindrome (785353353587).

The spelling of 444020333143 in words is "four hundred forty-four billion, twenty million, three hundred thirty-three thousand, one hundred forty-three".

Divisors: 1 31 41 311 1271 9641 12751 395281 1123303 34822393 46055423 349347233 1427718113 10829764223 14323236553 444020333143