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10021069871 is a prime number
BaseRepresentation
bin10010101010100110…
…10110010000101111
3221212101102002112222
421111103112100233
5131010343213441
64334214145555
7503221455101
oct112523262057
927771362488
1010021069871
1142826a612a
121b380522bb
13c39186857
146b0c89571
153d9b70d4b
hex2554d642f

10021069871 has 2 divisors, whose sum is σ = 10021069872. Its totient is φ = 10021069870.

The previous prime is 10021069843. The next prime is 10021069873. The reversal of 10021069871 is 17896012001.

10021069871 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 is a cyclic number.

It is not a de Polignac number, because 10021069871 - 210 = 10021068847 is a prime.

Together with 10021069873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021069873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010534935 + 5010534936.

It is an arithmetic number, because the mean of its divisors is an integer number (5010534936).

Almost surely, 210021069871 is an apocalyptic number.

10021069871 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021069871 is an equidigital number, since it uses as much as digits as its factorization.

10021069871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 35.

The spelling of 10021069871 in words is "ten billion, twenty-one million, sixty-nine thousand, eight hundred seventy-one".