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2788265087 is a prime number
BaseRepresentation
bin1010011000110001…
…1000110001111111
321012022121112122022
42212030120301333
521202243440322
61140402110355
7126044601506
oct24614306177
97168545568
102788265087
1112009a2913
1265994b3bb
1335587baca
141c644b83d
15114bbc942
hexa6318c7f

2788265087 has 2 divisors, whose sum is σ = 2788265088. Its totient is φ = 2788265086.

The previous prime is 2788265041. The next prime is 2788265101. The reversal of 2788265087 is 7805628872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2788265087 - 212 = 2788260991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2788265027) 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, 1394132543 + 1394132544.

It is an arithmetic number, because the mean of its divisors is an integer number (1394132544).

Almost surely, 22788265087 is an apocalyptic number.

2788265087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2788265087 is an equidigital number, since it uses as much as digits as its factorization.

2788265087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3010560, while the sum is 53.

The square root of 2788265087 is about 52804.0252916385. The cubic root of 2788265087 is about 1407.4879549966.

The spelling of 2788265087 in words is "two billion, seven hundred eighty-eight million, two hundred sixty-five thousand, eighty-seven".