Base | Representation |
---|---|
bin | 10110100000111101… |
… | …11010011011000001 |
3 | 1011012102010201221122 |
4 | 23100132322123001 |
5 | 144223422333022 |
6 | 5315241202025 |
7 | 605354514233 |
oct | 132036723301 |
9 | 34172121848 |
10 | 12087699137 |
11 | 51432112a8 |
12 | 2414190315 |
13 | 11a838c3c7 |
14 | 82952a253 |
15 | 4ab2e5742 |
hex | 2d07ba6c1 |
12087699137 has 2 divisors, whose sum is σ = 12087699138. Its totient is φ = 12087699136.
The previous prime is 12087699101. The next prime is 12087699161. The reversal of 12087699137 is 73199678021.
12087699137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6684861121 + 5402838016 = 81761^2 + 73504^2 .
It is a cyclic number.
It is not a de Polignac number, because 12087699137 - 210 = 12087698113 is a prime.
It is a super-2 number, since 2×120876991372 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12087659137) 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 as a sum of consecutive naturals, namely, 6043849568 + 6043849569.
It is an arithmetic number, because the mean of its divisors is an integer number (6043849569).
Almost surely, 212087699137 is an apocalyptic number.
It is an amenable number.
12087699137 is a deficient number, since it is larger than the sum of its proper divisors (1).
12087699137 is an equidigital number, since it uses as much as digits as its factorization.
12087699137 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1143072, while the sum is 53.
The spelling of 12087699137 in words is "twelve billion, eighty-seven million, six hundred ninety-nine thousand, one hundred thirty-seven".
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