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9421680015361 = 163492071727817
BaseRepresentation
bin1000100100011010011111…
…1000111111100000000001
31020100201000002011002102001
42021012213320333200001
52213331100040442421
632012132100424001
71661460004522165
oct211064770774001
936321002132361
109421680015361
113002791822999
121081b996a8001
135345cac75a93
14248024332ca5
1511512d598691
hex891a7e3f801

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".

Divisors: 1 16349 20717 27817 338702233 454780133 576284789 9421680015361