Base | Representation |
---|---|
bin | 11101110110101011101101… |
… | …001110010110110001101101 |
3 | 122012220021011112000221222111 |
4 | 131312223231032112301231 |
5 | 114202214203312432341 |
6 | 1143130523445444021 |
7 | 36441123260016310 |
oct | 3566535516266155 |
9 | 565807145027874 |
10 | 131301130202221 |
11 | 38922550a93041 |
12 | 12887056a10611 |
13 | 5835849876325 |
14 | 245d0198a8977 |
15 | 102a69c81d681 |
hex | 776aed396c6d |
131301130202221 has 8 divisors (see below), whose sum is σ = 151544161592064. Its totient is φ = 111429530581200.
The previous prime is 131301130202191. The next prime is 131301130202311. The reversal of 131301130202221 is 122202031103131.
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 131301130202221 - 27 = 131301130202093 is a prime.
It is a super-3 number, since 3×1313011302022213 (a number of 43 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131301130202192 and 131301130202201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131301130202521) 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, 92857941445 + ... + 92857942858.
It is an arithmetic number, because the mean of its divisors is an integer number (18943020199008).
Almost surely, 2131301130202221 is an apocalyptic number.
It is an amenable number.
131301130202221 is a deficient number, since it is larger than the sum of its proper divisors (20243031389843).
131301130202221 is a wasteful number, since it uses less digits than its factorization.
131301130202221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185715884411.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 131301130202221 its reverse (122202031103131), we get a palindrome (253503161305352).
The spelling of 131301130202221 in words is "one hundred thirty-one trillion, three hundred one billion, one hundred thirty million, two hundred two thousand, two hundred twenty-one".
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