Base | Representation |
---|---|
bin | 10111001110101101… |
… | …01100010010100011 |
3 | 1012012011011210002221 |
4 | 23213112230102203 |
5 | 201020140420232 |
6 | 5421305451511 |
7 | 621024215161 |
oct | 134726542243 |
9 | 35164153087 |
10 | 12471420067 |
11 | 531a878537 |
12 | 25007a0b97 |
13 | 1239a21102 |
14 | 864494231 |
15 | 4ced40897 |
hex | 2e75ac4a3 |
12471420067 has 2 divisors, whose sum is σ = 12471420068. Its totient is φ = 12471420066.
The previous prime is 12471420011. The next prime is 12471420121. The reversal of 12471420067 is 76002417421.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12471420067 - 211 = 12471418019 is a prime.
It is not a weakly prime, because it can be changed into another prime (12471420007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6235710033 + 6235710034.
It is an arithmetic number, because the mean of its divisors is an integer number (6235710034).
Almost surely, 212471420067 is an apocalyptic number.
12471420067 is a deficient number, since it is larger than the sum of its proper divisors (1).
12471420067 is an equidigital number, since it uses as much as digits as its factorization.
12471420067 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18816, while the sum is 34.
Adding to 12471420067 its reverse (76002417421), we get a palindrome (88473837488).
The spelling of 12471420067 in words is "twelve billion, four hundred seventy-one million, four hundred twenty thousand, sixty-seven".
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