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2142235519 is a prime number
BaseRepresentation
bin111111110101111…
…1110101101111111
312112021222211200021
41333223332231333
513341403014034
6552323313011
7104041462414
oct17753765577
95467884607
102142235519
119aa266286
124b951b767
13281a880a8
1416472210b
15c810b6b4
hex7fafeb7f

2142235519 has 2 divisors, whose sum is σ = 2142235520. Its totient is φ = 2142235518.

The previous prime is 2142235517. The next prime is 2142235531. The reversal of 2142235519 is 9155322412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142235519 - 21 = 2142235517 is a prime.

It is a super-2 number, since 2×21422355192 = 9178346037730398722, which contains 22 as substring.

Together with 2142235517, 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 (2142235517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071117759 + 1071117760.

It is an arithmetic number, because the mean of its divisors is an integer number (1071117760).

Almost surely, 22142235519 is an apocalyptic number.

2142235519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142235519 is an equidigital number, since it uses as much as digits as its factorization.

2142235519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 2142235519 is about 46284.2901965667. The cubic root of 2142235519 is about 1289.1073124096.

The spelling of 2142235519 in words is "two billion, one hundred forty-two million, two hundred thirty-five thousand, five hundred nineteen".