Base | Representation |
---|---|
bin | 100001000111101… |
… | …1000110011101111 |
3 | 2212110011102012112 |
4 | 1002033120303233 |
5 | 4234000030111 |
6 | 302135354235 |
7 | 36353102150 |
oct | 10217306357 |
9 | 2773142175 |
10 | 1111330031 |
11 | 520353779 |
12 | 27022297b |
13 | 149319a46 |
14 | a784b927 |
15 | 67872e8b |
hex | 423d8cef |
1111330031 has 8 divisors (see below), whose sum is σ = 1325313024. Its totient is φ = 911152440.
The previous prime is 1111329997. The next prime is 1111330049. The reversal of 1111330031 is 1300331111.
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 1111330031 - 210 = 1111329007 is a prime.
It is a super-2 number, since 2×11113300312 = 2470108875604921922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1111329988 and 1111330015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1111332031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3451175 + ... + 3451496.
It is an arithmetic number, because the mean of its divisors is an integer number (165664128).
Almost surely, 21111330031 is an apocalyptic number.
1111330031 is a deficient number, since it is larger than the sum of its proper divisors (213982993).
1111330031 is an equidigital number, since it uses as much as digits as its factorization.
1111330031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6902701.
The product of its (nonzero) digits is 27, while the sum is 14.
The square root of 1111330031 is about 33336.6169699326. The cubic root of 1111330031 is about 1035.8121876838.
Adding to 1111330031 its reverse (1300331111), we get a palindrome (2411661142).
The spelling of 1111330031 in words is "one billion, one hundred eleven million, three hundred thirty thousand, thirty-one".
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