Base | Representation |
---|---|
bin | 10110100100111111… |
… | …00001001011001111 |
3 | 1011021202120112201102 |
4 | 23102133201023033 |
5 | 144311040143203 |
6 | 5322443533315 |
7 | 606244206320 |
oct | 132237411317 |
9 | 34252515642 |
10 | 12121412303 |
11 | 5160248520 |
12 | 242352a23b |
13 | 11b2364520 |
14 | 82dbc4447 |
15 | 4ae254888 |
hex | 2d27e12cf |
12121412303 has 16 divisors (see below), whose sum is σ = 16274904576. Its totient is φ = 8718697440.
The previous prime is 12121412299. The next prime is 12121412339. The reversal of 12121412303 is 30321412121.
It is a cyclic number.
It is not a de Polignac number, because 12121412303 - 22 = 12121412299 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12121412363) 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 15 ways as a sum of consecutive naturals, for example, 6053651 + ... + 6055652.
It is an arithmetic number, because the mean of its divisors is an integer number (1017181536).
Almost surely, 212121412303 is an apocalyptic number.
12121412303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12121412303 is a deficient number, since it is larger than the sum of its proper divisors (4153492273).
12121412303 is a wasteful number, since it uses less digits than its factorization.
12121412303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12109334.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 12121412303 its reverse (30321412121), we get a palindrome (42442824424).
It can be divided in two parts, 12121 and 412303, that added together give a palindrome (424424).
The spelling of 12121412303 in words is "twelve billion, one hundred twenty-one million, four hundred twelve thousand, three hundred three".
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