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444442268220 = 22357537982801
BaseRepresentation
bin1100111011110101101…
…00101101001000111100
31120111011221112111212220
412131322310231020330
524240204210040340
6540101324125340
744052456643056
oct6357264551074
91514157474786
10444442268220
1116153a08a295
1272176996850
1332babb32982
141772272c8d6
15b8633b7ed0
hex677ad2d23c

444442268220 has 48 divisors (see below), whose sum is σ = 1244604727968. Its totient is φ = 118502092800.

The previous prime is 444442268201. The next prime is 444442268227. The reversal of 444442268220 is 22862244444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444442268227) 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, 39181 + ... + 943620.

It is an arithmetic number, because the mean of its divisors is an integer number (25929265166).

Almost surely, 2444442268220 is an apocalyptic number.

It is an amenable number.

444442268220 is an abundant number, since it is smaller than the sum of its proper divisors (800162459748).

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

444442268220 is a wasteful number, since it uses less digits than its factorization.

444442268220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990350 (or 990348 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 42.

The spelling of 444442268220 in words is "four hundred forty-four billion, four hundred forty-two million, two hundred sixty-eight thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7537 15074 22611 30148 37685 45222 75370 90444 113055 150740 226110 452220 982801 1965602 2948403 3931204 4914005 5896806 9828010 11793612 14742015 19656020 29484030 58968060 7407371137 14814742274 22222113411 29629484548 37036855685 44444226822 74073711370 88888453644 111110567055 148147422740 222221134110 444442268220