Base | Representation |
---|---|
bin | 1100010110100001001… |
… | …1000010110011101011 |
3 | 202021201210210111120001 |
4 | 3011220103002303223 |
5 | 11434043011021303 |
6 | 241252415243431 |
7 | 21221410416322 |
oct | 3055023026353 |
9 | 667653714501 |
10 | 212203220203 |
11 | 81aa4205157 |
12 | 35162519577 |
13 | 1701a5c7930 |
14 | a3b0abd0b9 |
15 | 57be98831d |
hex | 31684c2ceb |
212203220203 has 8 divisors (see below), whose sum is σ = 240554258000. Its totient is φ = 185570427168.
The previous prime is 212203220197. The next prime is 212203220213. The reversal of 212203220203 is 302022302212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212203220203 - 233 = 203613285611 is a prime.
It is a super-2 number, since 2×2122032202032 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212203220213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429560928 + ... + 429561421.
It is an arithmetic number, because the mean of its divisors is an integer number (30069282250).
Almost surely, 2212203220203 is an apocalyptic number.
212203220203 is a deficient number, since it is larger than the sum of its proper divisors (28351037797).
212203220203 is a wasteful number, since it uses less digits than its factorization.
212203220203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 859122381.
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 212203220203 its reverse (302022302212), we get a palindrome (514225522415).
It can be divided in two parts, 21220 and 3220203, that added together give a palindrome (3241423).
The spelling of 212203220203 in words is "two hundred twelve billion, two hundred three million, two hundred twenty thousand, two hundred three".
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