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10171680985187 is a prime number
BaseRepresentation
bin1001010000000100011101…
…1011101001000001100011
31100000101212221021221010022
42110001013123221001203
52313123100313011222
633344450012224055
72066610510551021
oct224010733510143
940011787257108
1010171680985187
113271870817247
12118340b46b02b
1358a254431ca7
1427245213b711
151298c7138042
hex940476e9063

10171680985187 has 2 divisors, whose sum is σ = 10171680985188. Its totient is φ = 10171680985186.

The previous prime is 10171680985093. The next prime is 10171680985201. The reversal of 10171680985187 is 78158908617101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10171680985187 - 220 = 10171679936611 is a prime.

It is not a weakly prime, because it can be changed into another prime (10171680985987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085840492593 + 5085840492594.

It is an arithmetic number, because the mean of its divisors is an integer number (5085840492594).

Almost surely, 210171680985187 is an apocalyptic number.

10171680985187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10171680985187 is an equidigital number, since it uses as much as digits as its factorization.

10171680985187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6773760, while the sum is 62.

The spelling of 10171680985187 in words is "ten trillion, one hundred seventy-one billion, six hundred eighty million, nine hundred eighty-five thousand, one hundred eighty-seven".