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206050011501011 = 238386466643517
BaseRepresentation
bin101110110110011011000001…
…101111011101000111010011
31000000120012002120122002111212
4232312123001233131013103
5204001410410421013021
62010122022444330335
761254423240502256
oct5666330157350723
91000505076562455
10206050011501011
115a721356863717
121b139a57b439ab
138ac8581887512
1438c4c3389909d
1518c4c788de85b
hexbb66c1bdd1d3

206050011501011 has 4 divisors (see below), whose sum is σ = 206136478146912. Its totient is φ = 205963544855112.

The previous prime is 206050011500987. The next prime is 206050011501071. The reversal of 206050011501011 is 110105110050602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206050011501011 - 226 = 206049944392147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206050011501071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43233319376 + ... + 43233324141.

It is an arithmetic number, because the mean of its divisors is an integer number (51534119536728).

Almost surely, 2206050011501011 is an apocalyptic number.

206050011501011 is a deficient number, since it is larger than the sum of its proper divisors (86466645901).

206050011501011 is an equidigital number, since it uses as much as digits as its factorization.

206050011501011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86466645900.

The product of its (nonzero) digits is 300, while the sum is 23.

Adding to 206050011501011 its reverse (110105110050602), we get a palindrome (316155121551613).

The spelling of 206050011501011 in words is "two hundred six trillion, fifty billion, eleven million, five hundred one thousand, eleven".

Divisors: 1 2383 86466643517 206050011501011