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20213335850 = 252404266717
BaseRepresentation
bin10010110100110011…
…110000011100101010
31221011200221212000112
4102310303300130222
5312344103221400
613141425534322
71313622343211
oct226463603452
957150855015
1020213335850
1186329a0444
123b014a43a2
131ba1950c76
14d9a77a078
157d485b835
hex4b4cf072a

20213335850 has 12 divisors (see below), whose sum is σ = 37596804774. Its totient is φ = 8085334320.

The previous prime is 20213335829. The next prime is 20213335859. The reversal of 20213335850 is 5853331202.

20213335850 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 13601857129 + 6611478721 = 116627^2 + 81311^2 .

It is not an unprimeable number, because it can be changed into a prime (20213335859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202133309 + ... + 202133408.

Almost surely, 220213335850 is an apocalyptic number.

20213335850 is a deficient number, since it is larger than the sum of its proper divisors (17383468924).

20213335850 is a wasteful number, since it uses less digits than its factorization.

20213335850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404266729 (or 404266724 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 20213335850 in words is "twenty billion, two hundred thirteen million, three hundred thirty-five thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 404266717 808533434 2021333585 4042667170 10106667925 20213335850