Base | Representation |
---|---|
bin | 10110110011001011… |
… | …00010100001100011 |
3 | 1011121001112022221211 |
4 | 23121211202201203 |
5 | 200032022244303 |
6 | 5342334530551 |
7 | 612220643230 |
oct | 133145424143 |
9 | 34531468854 |
10 | 12240431203 |
11 | 521144a150 |
12 | 2457366a57 |
13 | 1200c06a00 |
14 | 841926787 |
15 | 4b991466d |
hex | 2d9962863 |
12240431203 has 48 divisors (see below), whose sum is σ = 17243905536. Its totient is φ = 8421304320.
The previous prime is 12240431197. The next prime is 12240431219. The reversal of 12240431203 is 30213404221.
It is a de Polignac number, because none of the positive numbers 2k-12240431203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12240431303) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278851 + ... + 319747.
It is an arithmetic number, because the mean of its divisors is an integer number (359248032).
Almost surely, 212240431203 is an apocalyptic number.
12240431203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12240431203 is a deficient number, since it is larger than the sum of its proper divisors (5003474333).
12240431203 is a wasteful number, since it uses less digits than its factorization.
12240431203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40964 (or 40951 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 12240431203 its reverse (30213404221), we get a palindrome (42453835424).
The spelling of 12240431203 in words is "twelve billion, two hundred forty million, four hundred thirty-one thousand, two hundred three".
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