Base | Representation |
---|---|
bin | 10111101101100100… |
… | …00110001110000011 |
3 | 1012212012020100001010 |
4 | 23312302012032003 |
5 | 202032421344103 |
6 | 5503113412003 |
7 | 630316305435 |
oct | 136662061603 |
9 | 35765210033 |
10 | 12730262403 |
11 | 54429a0621 |
12 | 257340a003 |
13 | 127b53b461 |
14 | 88a9d2655 |
15 | 4e791e903 |
hex | 2f6c86383 |
12730262403 has 4 divisors (see below), whose sum is σ = 16973683208. Its totient is φ = 8486841600.
The previous prime is 12730262393. The next prime is 12730262423. The reversal of 12730262403 is 30426203721.
12730262403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 12730262403 - 28 = 12730262147 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12730262423) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 2121710398 + ... + 2121710403.
It is an arithmetic number, because the mean of its divisors is an integer number (4243420802).
Almost surely, 212730262403 is an apocalyptic number.
12730262403 is a deficient number, since it is larger than the sum of its proper divisors (4243420805).
12730262403 is an equidigital number, since it uses as much as digits as its factorization.
12730262403 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4243420804.
The product of its (nonzero) digits is 12096, while the sum is 30.
The spelling of 12730262403 in words is "twelve billion, seven hundred thirty million, two hundred sixty-two thousand, four hundred three".
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