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10397193903917 is a prime number
BaseRepresentation
bin1001011101001100100100…
…0011001001111100101101
31100210221222022122011122122
42113103021003021330231
52330321423114411132
634040223244522325
72122113105000212
oct227231103117455
940727868564578
1010397193903917
1133494749a4947
1211bb0672503a5
135a55b3313982
1427d326761b09
151306c52ea912
hex974c90c9f2d

10397193903917 has 2 divisors, whose sum is σ = 10397193903918. Its totient is φ = 10397193903916.

The previous prime is 10397193903893. The next prime is 10397193903923. The reversal of 10397193903917 is 71930939179301.

10397193903917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9191653587076 + 1205540316841 = 3031774^2 + 1097971^2 .

It is a cyclic number.

It is not a de Polignac number, because 10397193903917 - 220 = 10397192855341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10397193903917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10397193903977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5198596951958 + 5198596951959.

It is an arithmetic number, because the mean of its divisors is an integer number (5198596951959).

Almost surely, 210397193903917 is an apocalyptic number.

It is an amenable number.

10397193903917 is a deficient number, since it is larger than the sum of its proper divisors (1).

10397193903917 is an equidigital number, since it uses as much as digits as its factorization.

10397193903917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8680203, while the sum is 62.

The spelling of 10397193903917 in words is "ten trillion, three hundred ninety-seven billion, one hundred ninety-three million, nine hundred three thousand, nine hundred seventeen".