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2028007871 is a prime number
BaseRepresentation
bin111100011100000…
…1111000110111111
312020100001110210122
41320320033012333
513123132222441
6533123125155
7101153532251
oct17070170677
95210043718
102028007871
1195083736a
124872137bb
13264202676
141534a9cd1
15bd09634b
hex78e0f1bf

2028007871 has 2 divisors, whose sum is σ = 2028007872. Its totient is φ = 2028007870.

The previous prime is 2028007867. The next prime is 2028007889. The reversal of 2028007871 is 1787008202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2028007871 - 22 = 2028007867 is a prime.

It is a super-2 number, since 2×20280078712 = 8225631849675905282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2028007801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014003935 + 1014003936.

It is an arithmetic number, because the mean of its divisors is an integer number (1014003936).

Almost surely, 22028007871 is an apocalyptic number.

2028007871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028007871 is an equidigital number, since it uses as much as digits as its factorization.

2028007871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 2028007871 is about 45033.4083875516. The cubic root of 2028007871 is about 1265.7750921735.

The spelling of 2028007871 in words is "two billion, twenty-eight million, seven thousand, eight hundred seventy-one".