Base | Representation |
---|---|
bin | 1100110100010110001… |
… | …1010000101001011111 |
3 | 210001101211100101101000 |
4 | 3031011203100221133 |
5 | 12101442303000411 |
6 | 245055124521343 |
7 | 21624004562214 |
oct | 3150543205137 |
9 | 701354311330 |
10 | 220210203231 |
11 | 85432a11aa7 |
12 | 36817b50253 |
13 | 179c5414305 |
14 | a930283b0b |
15 | 5adc8b2956 |
hex | 33458d0a5f |
220210203231 has 48 divisors (see below), whose sum is σ = 341110725120. Its totient is φ = 140340286800.
The previous prime is 220210203209. The next prime is 220210203251. The reversal of 220210203231 is 132302012022.
220210203231 is a `hidden beast` number, since 2 + 20 + 210 + 203 + 231 = 666.
220210203231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 220210203231 - 218 = 220209941087 is a prime.
It is a super-2 number, since 2×2202102032312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220210203251) 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 47 ways as a sum of consecutive naturals, for example, 2299456 + ... + 2393306.
It is an arithmetic number, because the mean of its divisors is an integer number (7106473440).
Almost surely, 2220210203231 is an apocalyptic number.
220210203231 is a deficient number, since it is larger than the sum of its proper divisors (120900521889).
220210203231 is an equidigital number, since it uses as much as digits as its factorization.
220210203231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93993 (or 93944 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 220210203231 its reverse (132302012022), we get a palindrome (352512215253).
The spelling of 220210203231 in words is "two hundred twenty billion, two hundred ten million, two hundred three thousand, two hundred thirty-one".
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