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2130812611 is a prime number
BaseRepresentation
bin111111100000001…
…1001111011000011
312111111111111101121
41333000121323003
513330442000421
6551234413111
7103542415444
oct17700317303
95444444347
102130812611
119a3874064
124b5731197
1327c5b8985
14162dcb2cb
15c7101d41
hex7f019ec3

2130812611 has 2 divisors, whose sum is σ = 2130812612. Its totient is φ = 2130812610.

The previous prime is 2130812609. The next prime is 2130812687. The reversal of 2130812611 is 1162180312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130812611 - 21 = 2130812609 is a prime.

Together with 2130812609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2130812911) 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, 1065406305 + 1065406306.

It is an arithmetic number, because the mean of its divisors is an integer number (1065406306).

Almost surely, 22130812611 is an apocalyptic number.

2130812611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130812611 is an equidigital number, since it uses as much as digits as its factorization.

2130812611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 2130812611 is about 46160.7258500124. The cubic root of 2130812611 is about 1286.8119524241.

Adding to 2130812611 its reverse (1162180312), we get a palindrome (3292992923).

The spelling of 2130812611 in words is "two billion, one hundred thirty million, eight hundred twelve thousand, six hundred eleven".