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444088060681 = 2202172016593
BaseRepresentation
bin1100111011001011011…
…01100000101100001001
31120110021021000220111011
412131211231200230021
524233443020420211
6540002232203521
744040626143036
oct6354555405411
91513237026434
10444088060681
11161378150991
12720982395a1
1332b53635605
14176cb68838d
15b84224c921
hex6765b60b09

444088060681 has 4 divisors (see below), whose sum is σ = 444090297492. Its totient is φ = 444085823872.

The previous prime is 444088060679. The next prime is 444088060693. The reversal of 444088060681 is 186060880444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 377959366656 + 66128694025 = 614784^2 + 257155^2 .

It is a cyclic number.

It is not a de Polignac number, because 444088060681 - 21 = 444088060679 is a prime.

It is a super-2 number, since 2×4440880606812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444088060621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788080 + ... + 1228513.

It is an arithmetic number, because the mean of its divisors is an integer number (111022574373).

Almost surely, 2444088060681 is an apocalyptic number.

It is an amenable number.

444088060681 is a deficient number, since it is larger than the sum of its proper divisors (2236811).

444088060681 is a wasteful number, since it uses less digits than its factorization.

444088060681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236810.

The product of its (nonzero) digits is 1179648, while the sum is 49.

The spelling of 444088060681 in words is "four hundred forty-four billion, eighty-eight million, sixty thousand, six hundred eighty-one".

Divisors: 1 220217 2016593 444088060681