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20210200211 = 23878704357
BaseRepresentation
bin10010110100100111…
…110010111010010011
31221011111001112201202
4102310213302322103
5312342302401321
613141234421415
71313553603335
oct226447627223
957144045652
1020210200211
118631149603
123b0043186b
131ba10c3966
14d9a1a1455
157d443c70b
hex4b49f2e93

20210200211 has 4 divisors (see below), whose sum is σ = 21088904592. Its totient is φ = 19331495832.

The previous prime is 20210200187. The next prime is 20210200217. The reversal of 20210200211 is 11200201202.

It is a happy number.

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 20210200211 - 210 = 20210199187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20210200192 and 20210200201.

It is not an unprimeable number, because it can be changed into a prime (20210200217) 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 in 3 ways as a sum of consecutive naturals, for example, 439352156 + ... + 439352201.

It is an arithmetic number, because the mean of its divisors is an integer number (5272226148).

Almost surely, 220210200211 is an apocalyptic number.

20210200211 is a deficient number, since it is larger than the sum of its proper divisors (878704381).

20210200211 is an equidigital number, since it uses as much as digits as its factorization.

20210200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878704380.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20210200211 its reverse (11200201202), we get a palindrome (31410401413).

Subtracting from 20210200211 its reverse (11200201202), we obtain a palindrome (9009999009).

The spelling of 20210200211 in words is "twenty billion, two hundred ten million, two hundred thousand, two hundred eleven".

Divisors: 1 23 878704357 20210200211