Base | Representation |
---|---|
bin | 11101110100010110111001… |
… | …000010111101100001100101 |
3 | 122012022222201112110221220212 |
4 | 131310112321002331201211 |
5 | 114142104431244310041 |
6 | 1142525300024505205 |
7 | 36423435453213146 |
oct | 3564267102754145 |
9 | 565288645427825 |
10 | 131141341010021 |
11 | 38870804174a01 |
12 | 128600a191b205 |
13 | 58237631a9164 |
14 | 24553bbd8bacd |
15 | 10264496228eb |
hex | 7745b90bd865 |
131141341010021 has 2 divisors, whose sum is σ = 131141341010022. Its totient is φ = 131141341010020.
The previous prime is 131141341009981. The next prime is 131141341010039. The reversal of 131141341010021 is 120010143141131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 71095672830625 + 60045668179396 = 8431825^2 + 7748914^2 .
It is an emirp because it is prime and its reverse (120010143141131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 131141341010021 - 222 = 131141336815717 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131141341010621) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65570670505010 + 65570670505011.
It is an arithmetic number, because the mean of its divisors is an integer number (65570670505011).
Almost surely, 2131141341010021 is an apocalyptic number.
It is an amenable number.
131141341010021 is a deficient number, since it is larger than the sum of its proper divisors (1).
131141341010021 is an equidigital number, since it uses as much as digits as its factorization.
131141341010021 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 23.
Adding to 131141341010021 its reverse (120010143141131), we get a palindrome (251151484151152).
The spelling of 131141341010021 in words is "one hundred thirty-one trillion, one hundred forty-one billion, three hundred forty-one million, ten thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •