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206633310213 = 31135869174569
BaseRepresentation
bin1100000001110001001…
…1100001100000000101
3201202100122000202110110
43000130103201200011
511341141111411323
6234532004543233
720633365104561
oct3003423414005
9652318022413
10206633310213
117a6a6131360
12340690b1b19
13166406773c5
14a0030686a1
1555959a9793
hex301c4e1805

206633310213 has 16 divisors (see below), whose sum is σ = 300567643200. Its totient is φ = 125228100480.

The previous prime is 206633310173. The next prime is 206633310227. The reversal of 206633310213 is 312013336602.

It is not a de Polignac number, because 206633310213 - 213 = 206633302021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206633310293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096393 + ... + 1270961.

It is an arithmetic number, because the mean of its divisors is an integer number (18785477700).

Almost surely, 2206633310213 is an apocalyptic number.

It is an amenable number.

206633310213 is a deficient number, since it is larger than the sum of its proper divisors (93934332987).

206633310213 is a wasteful number, since it uses less digits than its factorization.

206633310213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210452.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 206633310213 its reverse (312013336602), we get a palindrome (518646646815).

The spelling of 206633310213 in words is "two hundred six billion, six hundred thirty-three million, three hundred ten thousand, two hundred thirteen".

Divisors: 1 3 11 33 35869 107607 174569 394559 523707 1183677 1920259 5760777 6261615461 18784846383 68877770071 206633310213