Base | Representation |
---|---|
bin | 1000100100011010011111… |
… | …1000111111100000000001 |
3 | 1020100201000002011002102001 |
4 | 2021012213320333200001 |
5 | 2213331100040442421 |
6 | 32012132100424001 |
7 | 1661460004522165 |
oct | 211064770774001 |
9 | 36321002132361 |
10 | 9421680015361 |
11 | 3002791822999 |
12 | 1081b996a8001 |
13 | 5345cac75a93 |
14 | 248024332ca5 |
15 | 11512d598691 |
hex | 891a7e3f801 |
9421680015361 has 8 divisors (see below), whose sum is σ = 9423049847400. Its totient is φ = 9420310313088.
The previous prime is 9421680015353. The next prime is 9421680015383. The reversal of 9421680015361 is 1635100861249.
It can be written as a sum of positive squares in 4 ways, for example, as 62822414736 + 9358857600625 = 250644^2 + 3059225^2 .
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 9421680015361 - 23 = 9421680015353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9421680010361) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338688325 + ... + 338716141.
It is an arithmetic number, because the mean of its divisors is an integer number (1177881230925).
Almost surely, 29421680015361 is an apocalyptic number.
It is an amenable number.
9421680015361 is a deficient number, since it is larger than the sum of its proper divisors (1369832039).
9421680015361 is a wasteful number, since it uses less digits than its factorization.
9421680015361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64883.
The product of its (nonzero) digits is 311040, while the sum is 46.
The spelling of 9421680015361 in words is "nine trillion, four hundred twenty-one billion, six hundred eighty million, fifteen thousand, three hundred sixty-one".
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