Base | Representation |
---|---|
bin | 10110100010110010… |
… | …11001010101110010 |
3 | 1011020110222122010012 |
4 | 23101121121111302 |
5 | 144241333431010 |
6 | 5320545534522 |
7 | 605632026062 |
oct | 132131312562 |
9 | 34213878105 |
10 | 12103030130 |
11 | 5150932744 |
12 | 2419344442 |
13 | 11ab5c95b9 |
14 | 82b59b3a2 |
15 | 4ac823005 |
hex | 2d1659572 |
12103030130 has 16 divisors (see below), whose sum is σ = 22142593944. Its totient is φ = 4761847680.
The previous prime is 12103030073. The next prime is 12103030171. The reversal of 12103030130 is 3103030121.
12103030130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 7942909129 + 4160121001 = 89123^2 + 64499^2 .
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, 9919907 + ... + 9921126.
Almost surely, 212103030130 is an apocalyptic number.
12103030130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12103030130 is a deficient number, since it is larger than the sum of its proper divisors (10039563814).
12103030130 is a wasteful number, since it uses less digits than its factorization.
12103030130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19841101.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 12103030130 its reverse (3103030121), we get a palindrome (15206060251).
Subtracting from 12103030130 its reverse (3103030121), we obtain a palindrome (9000000009).
The spelling of 12103030130 in words is "twelve billion, one hundred three million, thirty thousand, one hundred thirty".
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