Base | Representation |
---|---|
bin | 1111000011111… |
… | …01111100111010 |
3 | 22210201222210010 |
4 | 13201331330322 |
5 | 224321020033 |
6 | 20312002350 |
7 | 3062625552 |
oct | 741757472 |
9 | 283658703 |
10 | 126345018 |
11 | 65355978 |
12 | 363903b6 |
13 | 20238c87 |
14 | 12acc162 |
15 | b15a863 |
hex | 787df3a |
126345018 has 8 divisors (see below), whose sum is σ = 252690048. Its totient is φ = 42115004.
The previous prime is 126345013. The next prime is 126345029. The reversal of 126345018 is 810543621.
It is a sphenic number, since it is the product of 3 distinct primes.
126345018 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (126345013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10528746 + ... + 10528757.
It is an arithmetic number, because the mean of its divisors is an integer number (31586256).
Almost surely, 2126345018 is an apocalyptic number.
126345018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126345018 is a wasteful number, since it uses less digits than its factorization.
126345018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21057508.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 126345018 is about 11240.3299773628. The cubic root of 126345018 is about 501.7869632498.
Adding to 126345018 its reverse (810543621), we get a palindrome (936888639).
The spelling of 126345018 in words is "one hundred twenty-six million, three hundred forty-five thousand, eighteen".
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