Base | Representation |
---|---|
bin | 11001010010010… |
… | …00111011001101 |
3 | 112210010100122221 |
4 | 30221020323031 |
5 | 413300023203 |
6 | 33014135341 |
7 | 5153625400 |
oct | 1451107315 |
9 | 483110587 |
10 | 212111053 |
11 | a98051a0 |
12 | 5b051551 |
13 | 34c379cb |
14 | 20255d37 |
15 | 1394cabd |
hex | ca48ecd |
212111053 has 24 divisors (see below), whose sum is σ = 270699840. Its totient is φ = 164344320.
The previous prime is 212111051. The next prime is 212111071. The reversal of 212111053 is 350111212.
212111053 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 212111053 - 21 = 212111051 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212111051) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103008 + ... + 105046.
It is an arithmetic number, because the mean of its divisors is an integer number (11279160).
Almost surely, 2212111053 is an apocalyptic number.
It is an amenable number.
212111053 is a deficient number, since it is larger than the sum of its proper divisors (58588787).
212111053 is a wasteful number, since it uses less digits than its factorization.
212111053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2257 (or 2250 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 16.
The square root of 212111053 is about 14564.0328549478. The cubic root of 212111053 is about 596.3772938375.
Adding to 212111053 its reverse (350111212), we get a palindrome (562222265).
The spelling of 212111053 in words is "two hundred twelve million, one hundred eleven thousand, fifty-three".
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