Base | Representation |
---|---|
bin | 11001010010010… |
… | …00111101100010 |
3 | 112210010100212110 |
4 | 30221020331202 |
5 | 413300024302 |
6 | 33014140150 |
7 | 5153626002 |
oct | 1451107542 |
9 | 483110773 |
10 | 212111202 |
11 | a9805316 |
12 | 5b051656 |
13 | 34c37ab4 |
14 | 20256002 |
15 | 1394cb6c |
hex | ca48f62 |
212111202 has 8 divisors (see below), whose sum is σ = 424222416. Its totient is φ = 70703732.
The previous prime is 212111177. The next prime is 212111219. The reversal of 212111202 is 202111212.
It is a sphenic number, since it is the product of 3 distinct primes.
212111202 is an admirable number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17675928 + ... + 17675939.
It is an arithmetic number, because the mean of its divisors is an integer number (53027802).
Almost surely, 2212111202 is an apocalyptic number.
212111202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212111202 is a wasteful number, since it uses less digits than its factorization.
212111202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35351872.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 212111202 is about 14564.0379702883. The cubic root of 212111202 is about 596.3774334816.
Adding to 212111202 its reverse (202111212), we get a palindrome (414222414).
The spelling of 212111202 in words is "two hundred twelve million, one hundred eleven thousand, two hundred two".
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