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444310041013 = 2953289076149
BaseRepresentation
bin1100111011100101111…
…00010011000110110101
31120110211201201200020221
412131302330103012311
524234421332303023
6540040242054341
744046263015026
oct6356274230665
91513751650227
10444310041013
11161481487003
127213a64a3b1
1332b8a617517
141770cd4cc4d
15b85699985d
hex6772f131b5

444310041013 has 8 divisors (see below), whose sum is σ = 468303363000. Its totient is φ = 420894871488.

The previous prime is 444310041001. The next prime is 444310041031. The reversal of 444310041013 is 310140013444.

It can be written as a sum of positive squares in 4 ways, for example, as 48992280964 + 395317760049 = 221342^2 + 628743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444310041013 - 217 = 444309909941 is a prime.

It is a super-2 number, since 2×4443100410132 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444310071013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144536538 + ... + 144539611.

It is an arithmetic number, because the mean of its divisors is an integer number (58537920375).

Almost surely, 2444310041013 is an apocalyptic number.

It is an amenable number.

444310041013 is a deficient number, since it is larger than the sum of its proper divisors (23993321987).

444310041013 is a wasteful number, since it uses less digits than its factorization.

444310041013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289076231.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 444310041013 its reverse (310140013444), we get a palindrome (754450054457).

The spelling of 444310041013 in words is "four hundred forty-four billion, three hundred ten million, forty-one thousand, thirteen".

Divisors: 1 29 53 1537 289076149 8383208321 15321035897 444310041013