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10212551771 is a prime number
BaseRepresentation
bin10011000001011011…
…10010110001011011
3222100201201101100012
421200231302301123
5131403403124041
64405214232135
7511035154262
oct114055626133
928321641305
1010212551771
1143707a0334
121b901b564b
13c69a4a956
146cc4915d9
153eb8963eb
hex260b72c5b

10212551771 has 2 divisors, whose sum is σ = 10212551772. Its totient is φ = 10212551770.

The previous prime is 10212551717. The next prime is 10212551779. The reversal of 10212551771 is 17715521201.

10212551771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (10212551717) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10212551771 - 230 = 9138809947 is a prime.

It is not a weakly prime, because it can be changed into another prime (10212551779) 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, 5106275885 + 5106275886.

It is an arithmetic number, because the mean of its divisors is an integer number (5106275886).

Almost surely, 210212551771 is an apocalyptic number.

10212551771 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212551771 is an equidigital number, since it uses as much as digits as its factorization.

10212551771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4900, while the sum is 32.

The spelling of 10212551771 in words is "ten billion, two hundred twelve million, five hundred fifty-one thousand, seven hundred seventy-one".