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201012201687833 is a prime number
BaseRepresentation
bin101101101101000111001100…
…111000001000101100011001
3222100201120121221200110002122
4231231013030320020230121
5202321340442113002313
61551303421452311025
760224436513564464
oct5555071470105431
9870646557613078
10201012201687833
1159059883525978
121a665617772475
1388214a5417843
14378d08478a2db
151838bc6b15708
hexb6d1cce08b19

201012201687833 has 2 divisors, whose sum is σ = 201012201687834. Its totient is φ = 201012201687832.

The previous prime is 201012201687809. The next prime is 201012201687859. The reversal of 201012201687833 is 338786102210102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104164007729929 + 96848193957904 = 10206077^2 + 9841148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201012201687833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (201012201687433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506100843916 + 100506100843917.

It is an arithmetic number, because the mean of its divisors is an integer number (100506100843917).

Almost surely, 2201012201687833 is an apocalyptic number.

It is an amenable number.

201012201687833 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012201687833 is an equidigital number, since it uses as much as digits as its factorization.

201012201687833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 44.

Adding to 201012201687833 its reverse (338786102210102), we get a palindrome (539798303897935).

The spelling of 201012201687833 in words is "two hundred one trillion, twelve billion, two hundred one million, six hundred eighty-seven thousand, eight hundred thirty-three".