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2135968427 is a prime number
BaseRepresentation
bin111111101010000…
…0100101010101011
312111212012102211202
41333110010222223
513333301442202
6551541114415
7103634301125
oct17724045253
95455172752
102135968427
119a677576a
124b73b8a0b
132806a2658
14163970215
15c77be802
hex7f504aab

2135968427 has 2 divisors, whose sum is σ = 2135968428. Its totient is φ = 2135968426.

The previous prime is 2135968411. The next prime is 2135968441. The reversal of 2135968427 is 7248695312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2135968427 - 24 = 2135968411 is a prime.

It is a super-2 number, since 2×21359684272 = 9124722242281708658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2135968447) 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, 1067984213 + 1067984214.

It is an arithmetic number, because the mean of its divisors is an integer number (1067984214).

Almost surely, 22135968427 is an apocalyptic number.

2135968427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135968427 is an equidigital number, since it uses as much as digits as its factorization.

2135968427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 2135968427 is about 46216.5384575695. The cubic root of 2135968427 is about 1287.8489936757.

The spelling of 2135968427 in words is "two billion, one hundred thirty-five million, nine hundred sixty-eight thousand, four hundred twenty-seven".