Base | Representation |
---|---|
bin | 1100110111011111110… |
… | …00000001010110101111 |
3 | 1120021011111001010100022 |
4 | 12123233320001112233 |
5 | 24220420420320211 |
6 | 535034131152355 |
7 | 43640632245143 |
oct | 6335770012657 |
9 | 1507144033308 |
10 | 442111104431 |
11 | 160553213447 |
12 | 718261456bb |
13 | 328c9b98c09 |
14 | 17580cab223 |
15 | b7788dcbdb |
hex | 66efe015af |
442111104431 has 8 divisors (see below), whose sum is σ = 442406415360. Its totient is φ = 441815873688.
The previous prime is 442111104343. The next prime is 442111104451. The reversal of 442111104431 is 134401111244.
It is a happy number.
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 442111104431 - 226 = 442043995567 is a prime.
It is a super-2 number, since 2×4421111044312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 442111104431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (442111104451) 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, 14228210 + ... + 14259248.
It is an arithmetic number, because the mean of its divisors is an integer number (55300801920).
Almost surely, 2442111104431 is an apocalyptic number.
442111104431 is a deficient number, since it is larger than the sum of its proper divisors (295310929).
442111104431 is a wasteful number, since it uses less digits than its factorization.
442111104431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40093.
The product of its (nonzero) digits is 1536, while the sum is 26.
Adding to 442111104431 its reverse (134401111244), we get a palindrome (576512215675).
The spelling of 442111104431 in words is "four hundred forty-two billion, one hundred eleven million, one hundred four thousand, four hundred thirty-one".
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