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2028881119 is a prime number
BaseRepresentation
bin111100011101110…
…0100010011011111
312020101200211200011
41320323210103133
513123343143434
6533153544051
7101164130206
oct17073442337
95211624604
102028881119
11951283461
12487575027
13264449c95
1415365623d
15bd1b9e64
hex78ee44df

2028881119 has 2 divisors, whose sum is σ = 2028881120. Its totient is φ = 2028881118.

The previous prime is 2028881117. The next prime is 2028881143. The reversal of 2028881119 is 9111888202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2028881119 - 21 = 2028881117 is a prime.

It is a super-2 number, since 2×20288811192 = 8232717190069384322, which contains 22 as substring.

Together with 2028881117, 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 (2028881117) 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, 1014440559 + 1014440560.

It is an arithmetic number, because the mean of its divisors is an integer number (1014440560).

Almost surely, 22028881119 is an apocalyptic number.

2028881119 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028881119 is an equidigital number, since it uses as much as digits as its factorization.

2028881119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 40.

The square root of 2028881119 is about 45043.1029015542. The cubic root of 2028881119 is about 1265.9567444855.

The spelling of 2028881119 in words is "two billion, twenty-eight million, eight hundred eighty-one thousand, one hundred nineteen".