Base | Representation |
---|---|
bin | 100011110001011… |
… | …1001010111100011 |
3 | 10002122122002111111 |
4 | 1013202321113203 |
5 | 4424241031321 |
6 | 315035124151 |
7 | 41513431663 |
oct | 10742712743 |
9 | 3078562444 |
10 | 1200330211 |
11 | 566611943 |
12 | 295ba3657 |
13 | 1618ab882 |
14 | b55b81a3 |
15 | 705a35e1 |
hex | 478b95e3 |
1200330211 has 4 divisors (see below), whose sum is σ = 1200459232. Its totient is φ = 1200201192.
The previous prime is 1200330193. The next prime is 1200330221. The reversal of 1200330211 is 1120330021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1120330021 = 167 ⋅6708563.
It is a cyclic number.
It is not a de Polignac number, because 1200330211 - 25 = 1200330179 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1200330191 and 1200330200.
It is not an unprimeable number, because it can be changed into a prime (1200330221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49371 + ... + 69556.
It is an arithmetic number, because the mean of its divisors is an integer number (300114808).
Almost surely, 21200330211 is an apocalyptic number.
1200330211 is a deficient number, since it is larger than the sum of its proper divisors (129021).
1200330211 is a wasteful number, since it uses less digits than its factorization.
1200330211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129020.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 1200330211 is about 34645.7820087814. The cubic root of 1200330211 is about 1062.7560328957.
Adding to 1200330211 its reverse (1120330021), we get a palindrome (2320660232).
The spelling of 1200330211 in words is "one billion, two hundred million, three hundred thirty thousand, two hundred eleven".
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