Base | Representation |
---|---|
bin | 100001000111110… |
… | …1101010111001101 |
3 | 2212110022200200200 |
4 | 1002033231113031 |
5 | 4234010223341 |
6 | 302141244113 |
7 | 36353602461 |
oct | 10217552715 |
9 | 2773280620 |
10 | 1111414221 |
11 | 520400a55 |
12 | 270263639 |
13 | 149349168 |
14 | a78704a1 |
15 | 6788cdb6 |
hex | 423ed5cd |
1111414221 has 6 divisors (see below), whose sum is σ = 1605376110. Its totient is φ = 740942808.
The previous prime is 1111414193. The next prime is 1111414223. The reversal of 1111414221 is 1224141111.
It can be written as a sum of positive squares in only one way, i.e., 882981225 + 228432996 = 29715^2 + 15114^2 .
It is not a de Polignac number, because 1111414221 - 25 = 1111414189 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1111414194 and 1111414203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1111414223) 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 5 ways as a sum of consecutive naturals, for example, 61745226 + ... + 61745243.
It is an arithmetic number, because the mean of its divisors is an integer number (267562685).
Almost surely, 21111414221 is an apocalyptic number.
It is an amenable number.
1111414221 is a deficient number, since it is larger than the sum of its proper divisors (493961889).
1111414221 is a wasteful number, since it uses less digits than its factorization.
1111414221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123490475 (or 123490472 counting only the distinct ones).
The product of its digits is 64, while the sum is 18.
The square root of 1111414221 is about 33337.8796716288. The cubic root of 1111414221 is about 1035.8383433782.
Adding to 1111414221 its reverse (1224141111), we get a palindrome (2335555332).
The spelling of 1111414221 in words is "one billion, one hundred eleven million, four hundred fourteen thousand, two hundred twenty-one".
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