Base | Representation |
---|---|
bin | 1111000010001… |
… | …01000101110011 |
3 | 22210022011022002 |
4 | 13201011011303 |
5 | 224241041430 |
6 | 20303004215 |
7 | 3060635543 |
oct | 741050563 |
9 | 283264262 |
10 | 126112115 |
11 | 65206998 |
12 | 3629966b |
13 | 20186c6c |
14 | 12a6b323 |
15 | b111845 |
hex | 7845173 |
126112115 has 4 divisors (see below), whose sum is σ = 151334544. Its totient is φ = 100889688.
The previous prime is 126112093. The next prime is 126112121. The reversal of 126112115 is 511211621.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511211621 = 47 ⋅10876843.
It is a cyclic number.
It is not a de Polignac number, because 126112115 - 214 = 126095731 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12611207 + ... + 12611216.
It is an arithmetic number, because the mean of its divisors is an integer number (37833636).
Almost surely, 2126112115 is an apocalyptic number.
126112115 is a deficient number, since it is larger than the sum of its proper divisors (25222429).
126112115 is an equidigital number, since it uses as much as digits as its factorization.
126112115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25222428.
The product of its digits is 120, while the sum is 20.
The square root of 126112115 is about 11229.9650489216. The cubic root of 126112115 is about 501.4784440973.
Adding to 126112115 its reverse (511211621), we get a palindrome (637323736).
The spelling of 126112115 in words is "one hundred twenty-six million, one hundred twelve thousand, one hundred fifteen".
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