Base | Representation |
---|---|
bin | 1100110111010010111… |
… | …00111001010010110111 |
3 | 1120020212222020121221021 |
4 | 12123221130321102313 |
5 | 24220210323031411 |
6 | 535015321202011 |
7 | 43635153213511 |
oct | 6335134712267 |
9 | 1506788217837 |
10 | 442003330231 |
11 | 1604a83a2061 |
12 | 717b6030307 |
13 | 328b07629b8 |
14 | 17570854bb1 |
15 | b76e1eea71 |
hex | 66e97394b7 |
442003330231 has 8 divisors (see below), whose sum is σ = 461539643904. Its totient is φ = 422493581400.
The previous prime is 442003330229. The next prime is 442003330253. The reversal of 442003330231 is 132033300244.
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 442003330231 - 21 = 442003330229 is a prime.
It is a super-2 number, since 2×4420033302312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 442003330196 and 442003330205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (442003330201) 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 7 ways as a sum of consecutive naturals, for example, 6607195 + ... + 6673756.
It is an arithmetic number, because the mean of its divisors is an integer number (57692455488).
Almost surely, 2442003330231 is an apocalyptic number.
442003330231 is a deficient number, since it is larger than the sum of its proper divisors (19536313673).
442003330231 is a wasteful number, since it uses less digits than its factorization.
442003330231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13282421.
The product of its (nonzero) digits is 5184, while the sum is 25.
Adding to 442003330231 its reverse (132033300244), we get a palindrome (574036630475).
The spelling of 442003330231 in words is "four hundred forty-two billion, three million, three hundred thirty thousand, two hundred thirty-one".
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