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444204204020 = 225175011260723
BaseRepresentation
bin1100111011011001010…
…00100011111111110100
31120110120100120121012022
412131230220203333310
524234212234012040
6540021541412312
744043536302253
oct6355450437764
91513510517168
10444204204020
11161427769115
127210b10a098
1332b7170bc95
14176dcc7c79a
15b84c5406b5
hex676ca23ff4

444204204020 has 48 divisors (see below), whose sum is σ = 987902008128. Its totient is φ = 167195804160.

The previous prime is 444204204007. The next prime is 444204204023. The reversal of 444204204020 is 20402402444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444204204023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1573379 + ... + 1834101.

It is an arithmetic number, because the mean of its divisors is an integer number (20581291836).

Almost surely, 2444204204020 is an apocalyptic number.

It is an amenable number.

444204204020 is an abundant number, since it is smaller than the sum of its proper divisors (543697804108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444204204020 is a wasteful number, since it uses less digits than its factorization.

444204204020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265760 (or 265758 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 444204204020 its reverse (20402402444), we get a palindrome (464606606464).

The spelling of 444204204020 in words is "four hundred forty-four billion, two hundred four million, two hundred four thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 5011 10022 20044 25055 50110 85187 100220 170374 260723 340748 425935 521446 851870 1042892 1303615 1703740 2607230 4432291 5214460 8864582 17729164 22161455 44322910 88645820 1306482953 2612965906 5225931812 6532414765 13064829530 22210210201 26129659060 44420420402 88840840804 111051051005 222102102010 444204204020