Base | Representation |
---|---|
bin | 10001001100010… |
… | …00000011110011 |
3 | 101001100201222000 |
4 | 20212020003303 |
5 | 243404242321 |
6 | 22150545043 |
7 | 3400532523 |
oct | 1046100363 |
9 | 331321860 |
10 | 144212211 |
11 | 74449850 |
12 | 40368183 |
13 | 23b53690 |
14 | 1521d683 |
15 | c9d9826 |
hex | 89880f3 |
144212211 has 64 divisors (see below), whose sum is σ = 257402880. Its totient is φ = 78624000.
The previous prime is 144212203. The next prime is 144212213. The reversal of 144212211 is 112212441.
144212211 is a `hidden beast` number, since 1 + 442 + 1 + 221 + 1 = 666.
It is not a de Polignac number, because 144212211 - 23 = 144212203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144212213) 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 63 ways as a sum of consecutive naturals, for example, 157846 + ... + 158756.
It is an arithmetic number, because the mean of its divisors is an integer number (4021920).
Almost surely, 2144212211 is an apocalyptic number.
144212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
144212211 is a deficient number, since it is larger than the sum of its proper divisors (113190669).
144212211 is a wasteful number, since it uses less digits than its factorization.
144212211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 985 (or 979 counting only the distinct ones).
The product of its digits is 128, while the sum is 18.
The square root of 144212211 is about 12008.8388697659. The cubic root of 144212211 is about 524.4056293873.
Adding to 144212211 its reverse (112212441), we get a palindrome (256424652).
The spelling of 144212211 in words is "one hundred forty-four million, two hundred twelve thousand, two hundred eleven".
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