Base | Representation |
---|---|
bin | 11101110110101011110011… |
… | …010110111101001100010101 |
3 | 122012220021102200200201122212 |
4 | 131312223303112331030111 |
5 | 114202214411134320041 |
6 | 1143130542003403205 |
7 | 36441125646553226 |
oct | 3566536326751425 |
9 | 565807380621585 |
10 | 131301233120021 |
11 | 389225a4097778 |
12 | 12887085383505 |
13 | 5835864c9bc33 |
14 | 245d02941924d |
15 | 102a6a689c8eb |
hex | 776af35bd315 |
131301233120021 has 8 divisors (see below), whose sum is σ = 132476333982720. Its totient is φ = 130128339021408.
The previous prime is 131301233119999. The next prime is 131301233120069. The reversal of 131301233120021 is 120021332103131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131301233120021 - 230 = 131300159378197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131301233120521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551571491 + ... + 551809488.
It is an arithmetic number, because the mean of its divisors is an integer number (16559541747840).
Almost surely, 2131301233120021 is an apocalyptic number.
It is an amenable number.
131301233120021 is a deficient number, since it is larger than the sum of its proper divisors (1175100862699).
131301233120021 is a wasteful number, since it uses less digits than its factorization.
131301233120021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1103382043.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 131301233120021 its reverse (120021332103131), we get a palindrome (251322565223152).
The spelling of 131301233120021 in words is "one hundred thirty-one trillion, three hundred one billion, two hundred thirty-three million, one hundred twenty thousand, twenty-one".
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