Base | Representation |
---|---|
bin | 10111001000100111… |
… | …10001011111100110 |
3 | 1012001121000210112011 |
4 | 23210103301133212 |
5 | 200414100321202 |
6 | 5412242344434 |
7 | 616534002052 |
oct | 134423613746 |
9 | 35047023464 |
10 | 12420323302 |
11 | 52a3a48802 |
12 | 24a765b11a |
13 | 122c27073a |
14 | 85b792c62 |
15 | 4ca5eabd7 |
hex | 2e44f17e6 |
12420323302 has 4 divisors (see below), whose sum is σ = 18630484956. Its totient is φ = 6210161650.
The previous prime is 12420323269. The next prime is 12420323317. The reversal of 12420323302 is 20332302421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20332302421 = 4799 ⋅4236779.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 3105080824 + ... + 3105080827.
It is an arithmetic number, because the mean of its divisors is an integer number (4657621239).
Almost surely, 212420323302 is an apocalyptic number.
12420323302 is a deficient number, since it is larger than the sum of its proper divisors (6210161654).
12420323302 is an equidigital number, since it uses as much as digits as its factorization.
12420323302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6210161653.
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 12420323302 its reverse (20332302421), we get a palindrome (32752625723).
The spelling of 12420323302 in words is "twelve billion, four hundred twenty million, three hundred twenty-three thousand, three hundred two".
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