Base | Representation |
---|---|
bin | 1011010001111001100010… |
… | …1000011100110011100011 |
3 | 1121220122001212002221212001 |
4 | 2310132120220130303203 |
5 | 3111144031104333011 |
6 | 42213243243544431 |
7 | 2420011242612343 |
oct | 264363050346343 |
9 | 47818055087761 |
10 | 12402131324131 |
11 | 3a5179489a5aa |
12 | 148374882b117 |
13 | 6bc692765663 |
14 | 30c3a2c62d23 |
15 | 16791b9bc7c1 |
hex | b4798a1cce3 |
12402131324131 has 2 divisors, whose sum is σ = 12402131324132. Its totient is φ = 12402131324130.
The previous prime is 12402131324113. The next prime is 12402131324203. The reversal of 12402131324131 is 13142313120421.
12402131324131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Together with previous prime (12402131324113) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12402131324131 - 221 = 12402129226979 is a prime.
It is a super-2 number, since 2×124021313241312 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12402131324131.
It is not a weakly prime, because it can be changed into another prime (12402131324111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201065662065 + 6201065662066.
It is an arithmetic number, because the mean of its divisors is an integer number (6201065662066).
Almost surely, 212402131324131 is an apocalyptic number.
12402131324131 is a deficient number, since it is larger than the sum of its proper divisors (1).
12402131324131 is an equidigital number, since it uses as much as digits as its factorization.
12402131324131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 28.
Adding to 12402131324131 its reverse (13142313120421), we get a palindrome (25544444444552).
The spelling of 12402131324131 in words is "twelve trillion, four hundred two billion, one hundred thirty-one million, three hundred twenty-four thousand, one hundred thirty-one".
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