Base | Representation |
---|---|
bin | 11001010001100… |
… | …00100011000011 |
3 | 112202221021200210 |
4 | 30220300203003 |
5 | 413233324303 |
6 | 33012045203 |
7 | 5153031315 |
oct | 1450604303 |
9 | 482837623 |
10 | 212011203 |
11 | a9747178 |
12 | 5b003803 |
13 | 34c01421 |
14 | 2022b7b5 |
15 | 1392d203 |
hex | ca308c3 |
212011203 has 8 divisors (see below), whose sum is σ = 284117328. Its totient is φ = 140622944.
The previous prime is 212011193. The next prime is 212011207. The reversal of 212011203 is 302110212.
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 212011203 - 24 = 212011187 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212011207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178776 + ... + 179957.
It is an arithmetic number, because the mean of its divisors is an integer number (35514666).
Almost surely, 2212011203 is an apocalyptic number.
212011203 is a deficient number, since it is larger than the sum of its proper divisors (72106125).
212011203 is a wasteful number, since it uses less digits than its factorization.
212011203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 358933.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 212011203 is about 14560.6044860782. The cubic root of 212011203 is about 596.2836988105.
Adding to 212011203 its reverse (302110212), we get a palindrome (514121415).
Subtracting 212011203 from its reverse (302110212), we obtain a palindrome (90099009).
The spelling of 212011203 in words is "two hundred twelve million, eleven thousand, two hundred three".
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