Base | Representation |
---|---|
bin | 10111001010110111… |
… | …01101110111011101 |
3 | 1012002220111221220120 |
4 | 23211123231313131 |
5 | 200433412322223 |
6 | 5414154505153 |
7 | 620153211051 |
oct | 134533556735 |
9 | 35086457816 |
10 | 12439182813 |
11 | 530365a182 |
12 | 24b1a351b9 |
13 | 1233144a05 |
14 | 8600a1c61 |
15 | 4cc0c3be3 |
hex | 2e56edddd |
12439182813 has 8 divisors (see below), whose sum is σ = 16866688800. Its totient is φ = 8152232688.
The previous prime is 12439182809. The next prime is 12439182817. The reversal of 12439182813 is 31828193421.
It is an interprime number because it is at equal distance from previous prime (12439182809) and next prime (12439182817).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12439182813 - 22 = 12439182809 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12439182817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35138758 + ... + 35139111.
It is an arithmetic number, because the mean of its divisors is an integer number (2108336100).
Almost surely, 212439182813 is an apocalyptic number.
It is an amenable number.
12439182813 is a deficient number, since it is larger than the sum of its proper divisors (4427505987).
12439182813 is an equidigital number, since it uses as much as digits as its factorization.
12439182813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70277931.
The product of its digits is 82944, while the sum is 42.
The spelling of 12439182813 in words is "twelve billion, four hundred thirty-nine million, one hundred eighty-two thousand, eight hundred thirteen".
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