Base | Representation |
---|---|
bin | 10000001110000… |
… | …001101001010011 |
3 | 200222000201210001 |
4 | 100032001221103 |
5 | 1024130042321 |
6 | 43000150431 |
7 | 6512626030 |
oct | 2016015123 |
9 | 628021701 |
10 | 272112211 |
11 | 12a666a28 |
12 | 77168417 |
13 | 444b5357 |
14 | 281d4387 |
15 | 18d50c91 |
hex | 10381a53 |
272112211 has 4 divisors (see below), whose sum is σ = 310985392. Its totient is φ = 233239032.
The previous prime is 272112209. The next prime is 272112221. The reversal of 272112211 is 112211272.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 272112211 - 21 = 272112209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (272112221) 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 3 ways as a sum of consecutive naturals, for example, 19436580 + ... + 19436593.
It is an arithmetic number, because the mean of its divisors is an integer number (77746348).
Almost surely, 2272112211 is an apocalyptic number.
272112211 is a deficient number, since it is larger than the sum of its proper divisors (38873181).
272112211 is an equidigital number, since it uses as much as digits as its factorization.
272112211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38873180.
The product of its digits is 112, while the sum is 19.
The square root of 272112211 is about 16495.8240473157. The cubic root of 272112211 is about 648.0114460649.
Adding to 272112211 its reverse (112211272), we get a palindrome (384323483).
The spelling of 272112211 in words is "two hundred seventy-two million, one hundred twelve thousand, two hundred eleven".
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