Base | Representation |
---|---|
bin | 10111001000100111… |
… | …10000101100011110 |
3 | 1012001121000122000222 |
4 | 23210103300230132 |
5 | 200414100220110 |
6 | 5412242321342 |
7 | 616533656366 |
oct | 134423605436 |
9 | 35047018028 |
10 | 12420320030 |
11 | 52a3a462a8 |
12 | 24a7659252 |
13 | 122c26c0c1 |
14 | 85b7919a6 |
15 | 4ca5e9c55 |
hex | 2e44f0b1e |
12420320030 has 16 divisors (see below), whose sum is σ = 22625933904. Its totient is φ = 4908270720.
The previous prime is 12420320027. The next prime is 12420320057. The reversal of 12420320030 is 3002302421.
12420320030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12420319990 and 12420320008.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 7481291 + ... + 7482950.
It is an arithmetic number, because the mean of its divisors is an integer number (1414120869).
Almost surely, 212420320030 is an apocalyptic number.
12420320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12420320030 is a deficient number, since it is larger than the sum of its proper divisors (10205613874).
12420320030 is a wasteful number, since it uses less digits than its factorization.
12420320030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14964331.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 12420320030 its reverse (3002302421), we get a palindrome (15422622451).
The spelling of 12420320030 in words is "twelve billion, four hundred twenty million, three hundred twenty thousand, thirty".
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