Base | Representation |
---|---|
bin | 1111100000110… |
… | …00011010011010 |
3 | 100001211221202212 |
4 | 13300120122122 |
5 | 231302422133 |
6 | 20524555122 |
7 | 3140013365 |
oct | 760303232 |
9 | 301757685 |
10 | 130123418 |
11 | 674a6717 |
12 | 376b2aa2 |
13 | 20c5ca09 |
14 | 133d30dc |
15 | b655148 |
hex | 7c1869a |
130123418 has 16 divisors (see below), whose sum is σ = 200049696. Its totient is φ = 63445200.
The previous prime is 130123417. The next prime is 130123421. The reversal of 130123418 is 814321031.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 130123393 and 130123402.
It is not an unprimeable number, because it can be changed into a prime (130123417) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 99368 + ... + 100668.
It is an arithmetic number, because the mean of its divisors is an integer number (12503106).
Almost surely, 2130123418 is an apocalyptic number.
130123418 is a deficient number, since it is larger than the sum of its proper divisors (69926278).
130123418 is a wasteful number, since it uses less digits than its factorization.
130123418 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2509.
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 130123418 is about 11407.1652043792. The cubic root of 130123418 is about 506.7399615996.
Adding to 130123418 its reverse (814321031), we get a palindrome (944444449).
The spelling of 130123418 in words is "one hundred thirty million, one hundred twenty-three thousand, four hundred eighteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •