Base | Representation |
---|---|
bin | 100001011100001… |
… | …1110111101000111 |
3 | 2220012102202002111 |
4 | 1002320132331013 |
5 | 4244224244421 |
6 | 303202321451 |
7 | 36543501433 |
oct | 10270367507 |
9 | 2805382074 |
10 | 1122103111 |
11 | 526441748 |
12 | 273959287 |
13 | 14b61c44c |
14 | a90539c3 |
15 | 6879eee1 |
hex | 42e1ef47 |
1122103111 has 2 divisors, whose sum is σ = 1122103112. Its totient is φ = 1122103110.
The previous prime is 1122103109. The next prime is 1122103117. The reversal of 1122103111 is 1113012211.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1122103111 - 21 = 1122103109 is a prime.
Together with 1122103109, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 1122103091 and 1122103100.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1122103117) 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 as a sum of consecutive naturals, namely, 561051555 + 561051556.
It is an arithmetic number, because the mean of its divisors is an integer number (561051556).
Almost surely, 21122103111 is an apocalyptic number.
1122103111 is a deficient number, since it is larger than the sum of its proper divisors (1).
1122103111 is an equidigital number, since it uses as much as digits as its factorization.
1122103111 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12, while the sum is 13.
The square root of 1122103111 is about 33497.8075551222. The cubic root of 1122103111 is about 1039.1484372291.
Adding to 1122103111 its reverse (1113012211), we get a palindrome (2235115322).
The spelling of 1122103111 in words is "one billion, one hundred twenty-two million, one hundred three thousand, one hundred eleven".
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