Base | Representation |
---|---|
bin | 11101110101100011111110… |
… | …101010010100001100100101 |
3 | 122012121220101002012122010202 |
4 | 131311203332222110030211 |
5 | 114144433441003124104 |
6 | 1143031305255000245 |
7 | 36432425600311133 |
oct | 3565437652241445 |
9 | 565556332178122 |
10 | 131224113333029 |
11 | 388a2919a75322 |
12 | 12874142069085 |
13 | 582b4c479a692 |
14 | 24593d0dc4753 |
15 | 10286911b051e |
hex | 7758fea94325 |
131224113333029 has 2 divisors, whose sum is σ = 131224113333030. Its totient is φ = 131224113333028.
The previous prime is 131224113333023. The next prime is 131224113333041. The reversal of 131224113333029 is 920333311422131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 80380154388004 + 50843958945025 = 8965498^2 + 7130495^2 .
It is a cyclic number.
It is not a de Polignac number, because 131224113333029 - 236 = 131155393856293 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131224113332983 and 131224113333001.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131224113333023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65612056666514 + 65612056666515.
It is an arithmetic number, because the mean of its divisors is an integer number (65612056666515).
Almost surely, 2131224113333029 is an apocalyptic number.
It is an amenable number.
131224113333029 is a deficient number, since it is larger than the sum of its proper divisors (1).
131224113333029 is an equidigital number, since it uses as much as digits as its factorization.
131224113333029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 69984, while the sum is 38.
The spelling of 131224113333029 in words is "one hundred thirty-one trillion, two hundred twenty-four billion, one hundred thirteen million, three hundred thirty-three thousand, twenty-nine".
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