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6871000771 is a prime number
BaseRepresentation
bin1100110011000101…
…10010011011000011
3122201212000000010001
412121202302123003
5103032434011041
63053445220431
7332161354135
oct63142623303
918655000101
106871000771
112a06556638
1213b9101717
1385667ab3b
1449277b055
152a3337131
hex1998b26c3

6871000771 has 2 divisors, whose sum is σ = 6871000772. Its totient is φ = 6871000770.

The previous prime is 6871000729. The next prime is 6871000783. The reversal of 6871000771 is 1770001786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6871000771 - 211 = 6870998723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6871000771.

It is not a weakly prime, because it can be changed into another prime (6871000471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3435500385 + 3435500386.

It is an arithmetic number, because the mean of its divisors is an integer number (3435500386).

Almost surely, 26871000771 is an apocalyptic number.

6871000771 is a deficient number, since it is larger than the sum of its proper divisors (1).

6871000771 is an equidigital number, since it uses as much as digits as its factorization.

6871000771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16464, while the sum is 37.

The square root of 6871000771 is about 82891.4999924600. The cubic root of 6871000771 is about 1901.1074587988.

The spelling of 6871000771 in words is "six billion, eight hundred seventy-one million, seven hundred seventy-one", and thus it is an aban number.