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10117121671 is a prime number
BaseRepresentation
bin10010110110000011…
…10000011010000111
3222010002011000212001
421123001300122013
5131204440343141
64351525010131
7505466054356
oct113301603207
928102130761
1010117121671
114321940288
121b64253947
13c53047237
146bd92d99d
153e32e5a31
hex25b070687

10117121671 has 2 divisors, whose sum is σ = 10117121672. Its totient is φ = 10117121670.

The previous prime is 10117121669. The next prime is 10117121681. The reversal of 10117121671 is 17612171101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10117121671 - 21 = 10117121669 is a prime.

Together with 10117121669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10117121681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5058560835 + 5058560836.

It is an arithmetic number, because the mean of its divisors is an integer number (5058560836).

Almost surely, 210117121671 is an apocalyptic number.

10117121671 is a deficient number, since it is larger than the sum of its proper divisors (1).

10117121671 is an equidigital number, since it uses as much as digits as its factorization.

10117121671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 28.

Adding to 10117121671 its reverse (17612171101), we get a palindrome (27729292772).

The spelling of 10117121671 in words is "ten billion, one hundred seventeen million, one hundred twenty-one thousand, six hundred seventy-one".