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4440031413021 = 321729019813157
BaseRepresentation
bin100000010011100011001…
…1111101100001100011101
3120201110111102102112222200
41000213012133230030131
51040221141020204041
613235420002202113
7635532055210101
oct100470637541435
916643442375880
104440031413021
111462008a88086
125b8611653339
13262901b674c9
14114c81d29901
157a766ee31b6
hex409c67ec31d

4440031413021 has 12 divisors (see below), whose sum is σ = 6790636278972. Its totient is φ = 2785902062976.

The previous prime is 4440031413011. The next prime is 4440031413029. The reversal of 4440031413021 is 1203141300444.

4440031413021 is a `hidden beast` number, since 4 + 4 + 40 + 0 + 314 + 1 + 302 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3131784999225 + 1308246413796 = 1769685^2 + 1143786^2 .

It is not a de Polignac number, because 4440031413021 - 214 = 4440031396637 is a prime.

It is a super-2 number, since 2×44400314130212 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440031413029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14509906426 + ... + 14509906731.

It is an arithmetic number, because the mean of its divisors is an integer number (565886356581).

Almost surely, 24440031413021 is an apocalyptic number.

It is an amenable number.

4440031413021 is a deficient number, since it is larger than the sum of its proper divisors (2350604865951).

4440031413021 is a wasteful number, since it uses less digits than its factorization.

4440031413021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29019813180 (or 29019813177 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4440031413021 its reverse (1203141300444), we get a palindrome (5643172713465).

The spelling of 4440031413021 in words is "four trillion, four hundred forty billion, thirty-one million, four hundred thirteen thousand, twenty-one".

Divisors: 1 3 9 17 51 153 29019813157 87059439471 261178318413 493336823669 1480010471007 4440031413021