Base | Representation |
---|---|
bin | 1101011000001… |
… | …01111110111101 |
3 | 21211011110211121 |
4 | 12230011332331 |
5 | 212212102031 |
6 | 15045150541 |
7 | 2531605153 |
oct | 654057675 |
9 | 254143747 |
10 | 112222141 |
11 | 5838a179 |
12 | 316bb451 |
13 | 1a332945 |
14 | 10c933d3 |
15 | 9cbb011 |
hex | 6b05fbd |
112222141 has 4 divisors (see below), whose sum is σ = 116091900. Its totient is φ = 108352384.
The previous prime is 112222133. The next prime is 112222171. The reversal of 112222141 is 141222211.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 51538041 + 60684100 = 7179^2 + 7790^2 .
It is a cyclic number.
It is not a de Polignac number, because 112222141 - 23 = 112222133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112222171) 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 3 ways as a sum of consecutive naturals, for example, 1934836 + ... + 1934893.
It is an arithmetic number, because the mean of its divisors is an integer number (29022975).
Almost surely, 2112222141 is an apocalyptic number.
It is an amenable number.
112222141 is a deficient number, since it is larger than the sum of its proper divisors (3869759).
112222141 is an equidigital number, since it uses as much as digits as its factorization.
112222141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3869758.
The product of its digits is 64, while the sum is 16.
The square root of 112222141 is about 10593.4952211251. The cubic root of 112222141 is about 482.3469277379.
Adding to 112222141 its reverse (141222211), we get a palindrome (253444352).
The spelling of 112222141 in words is "one hundred twelve million, two hundred twenty-two thousand, one hundred forty-one".
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