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20110200218 = 217591476477
BaseRepresentation
bin10010101110101010…
…010100110110011010
31220220111220000112022
4102232222110312122
5312141202401333
613123303214442
71311230611223
oct225652246632
956814800468
1020110200218
11858a758089
123a92a47422
131b86480174
14d8abb024a
157ca787c98
hex4aea94d9a

20110200218 has 8 divisors (see below), whose sum is σ = 31939729812. Its totient is φ = 9463623616.

The previous prime is 20110200211. The next prime is 20110200223. The reversal of 20110200218 is 81200201102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15700841809 + 4409358409 = 125303^2 + 66403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 20110200196 and 20110200205.

It is not an unprimeable number, because it can be changed into a prime (20110200211) 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, 295738205 + ... + 295738272.

Almost surely, 220110200218 is an apocalyptic number.

20110200218 is a deficient number, since it is larger than the sum of its proper divisors (11829529594).

20110200218 is a wasteful number, since it uses less digits than its factorization.

20110200218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591476496.

The product of its (nonzero) digits is 64, while the sum is 17.

The spelling of 20110200218 in words is "twenty billion, one hundred ten million, two hundred thousand, two hundred eighteen".

Divisors: 1 2 17 34 591476477 1182952954 10055100109 20110200218