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2144460887 is a prime number
BaseRepresentation
bin111111111010001…
…1110000001010111
312112110011220022022
41333310132001113
513342440222022
6552443123355
7104066421362
oct17764360127
95473156268
102144460887
11a00546228
124ba21355b
13282386c8a
14164b410d9
15c83eac42
hex7fd1e057

2144460887 has 2 divisors, whose sum is σ = 2144460888. Its totient is φ = 2144460886.

The previous prime is 2144460839. The next prime is 2144460889. The reversal of 2144460887 is 7880644412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144460887 - 26 = 2144460823 is a prime.

Together with 2144460889, 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 (2144460889) 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, 1072230443 + 1072230444.

It is an arithmetic number, because the mean of its divisors is an integer number (1072230444).

Almost surely, 22144460887 is an apocalyptic number.

2144460887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144460887 is an equidigital number, since it uses as much as digits as its factorization.

2144460887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 44.

The square root of 2144460887 is about 46308.3241653161. The cubic root of 2144460887 is about 1289.5535355808.

The spelling of 2144460887 in words is "two billion, one hundred forty-four million, four hundred sixty thousand, eight hundred eighty-seven".