Base | Representation |
---|---|
bin | 1101101110011… |
… | …00111010111111 |
3 | 22000122102100112 |
4 | 12313030322333 |
5 | 213433243033 |
6 | 15231420235 |
7 | 2565424025 |
oct | 667147277 |
9 | 260572315 |
10 | 115134143 |
11 | 59a98a93 |
12 | 3268467b |
13 | 1ab12217 |
14 | 11410715 |
15 | a193c48 |
hex | 6dccebf |
115134143 has 4 divisors (see below), whose sum is σ = 115163328. Its totient is φ = 115104960.
The previous prime is 115134119. The next prime is 115134157. The reversal of 115134143 is 341431511.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341431511 = 157 ⋅2174723.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-115134143 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 (115134163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7538 + ... + 16943.
It is an arithmetic number, because the mean of its divisors is an integer number (28790832).
Almost surely, 2115134143 is an apocalyptic number.
115134143 is a deficient number, since it is larger than the sum of its proper divisors (29185).
115134143 is an equidigital number, since it uses as much as digits as its factorization.
115134143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29184.
The product of its digits is 720, while the sum is 23.
The square root of 115134143 is about 10730.0579215585. The cubic root of 115134143 is about 486.4834207731.
Adding to 115134143 its reverse (341431511), we get a palindrome (456565654).
The spelling of 115134143 in words is "one hundred fifteen million, one hundred thirty-four thousand, one hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •