Base | Representation |
---|---|
bin | 10110110011001010… |
… | …00101101111011111 |
3 | 1011121001022100020110 |
4 | 23121211011233133 |
5 | 200032010011221 |
6 | 5342332221103 |
7 | 612216642432 |
oct | 133145055737 |
9 | 34531270213 |
10 | 12240313311 |
11 | 5211379616 |
12 | 245730a793 |
13 | 1200b95155 |
14 | 8418d5819 |
15 | 4b98de776 |
hex | 2d9945bdf |
12240313311 has 8 divisors (see below), whose sum is σ = 16322249344. Its totient is φ = 8159293080.
The previous prime is 12240313297. The next prime is 12240313331. The reversal of 12240313311 is 11331304221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12240313311 - 214 = 12240296927 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12240313331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197131 + ... + 251676.
It is an arithmetic number, because the mean of its divisors is an integer number (2040281168).
Almost surely, 212240313311 is an apocalyptic number.
12240313311 is a deficient number, since it is larger than the sum of its proper divisors (4081936033).
12240313311 is an equidigital number, since it uses as much as digits as its factorization.
12240313311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 457901.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 12240313311 its reverse (11331304221), we get a palindrome (23571617532).
The spelling of 12240313311 in words is "twelve billion, two hundred forty million, three hundred thirteen thousand, three hundred eleven".
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