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30512106211 is a prime number
BaseRepresentation
bin11100011010101010…
…011100101011100011
32220202102220121000211
4130122222130223203
5444442044344321
622003404154551
72130055423606
oct343252345343
986672817024
1030512106211
1111a3831a004
125ab6538a57
132b534c8622
14169647233d
15bd8a840e1
hex71aa9cae3

30512106211 has 2 divisors, whose sum is σ = 30512106212. Its totient is φ = 30512106210.

The previous prime is 30512106179. The next prime is 30512106227. The reversal of 30512106211 is 11260121503.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30512106211 - 25 = 30512106179 is a prime.

It is not a weakly prime, because it can be changed into another prime (30512106271) 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, 15256053105 + 15256053106.

It is an arithmetic number, because the mean of its divisors is an integer number (15256053106).

Almost surely, 230512106211 is an apocalyptic number.

30512106211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30512106211 is an equidigital number, since it uses as much as digits as its factorization.

30512106211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 30512106211 its reverse (11260121503), we get a palindrome (41772227714).

The spelling of 30512106211 in words is "thirty billion, five hundred twelve million, one hundred six thousand, two hundred eleven".