Base | Representation |
---|---|
bin | 100100000110000… |
… | …0110010111001000 |
3 | 10010101221211212011 |
4 | 1020030012113020 |
5 | 4440022200321 |
6 | 320102425304 |
7 | 42004306102 |
oct | 11014062710 |
9 | 3111854764 |
10 | 1211131336 |
11 | 571719998 |
12 | 299732234 |
13 | 163bc0c7c |
14 | b6bca572 |
15 | 714d8ae1 |
hex | 483065c8 |
1211131336 has 16 divisors (see below), whose sum is σ = 2274235740. Its totient is φ = 604668480.
The previous prime is 1211131333. The next prime is 1211131367. The reversal of 1211131336 is 6331311121.
It can be written as a sum of positive squares in 2 ways, for example, as 864948100 + 346183236 = 29410^2 + 18606^2 .
It is a super-2 number, since 2×12111313362 = 2933678226082289792, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1211131333) 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, 106395 + ... + 117226.
Almost surely, 21211131336 is an apocalyptic number.
It is an amenable number.
1211131336 is a deficient number, since it is larger than the sum of its proper divisors (1063104404).
1211131336 is a wasteful number, since it uses less digits than its factorization.
1211131336 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224304 (or 224300 counting only the distinct ones).
The product of its digits is 324, while the sum is 22.
The square root of 1211131336 is about 34801.3122741083. The cubic root of 1211131336 is about 1065.9342419018.
Adding to 1211131336 its reverse (6331311121), we get a palindrome (7542442457).
The spelling of 1211131336 in words is "one billion, two hundred eleven million, one hundred thirty-one thousand, three hundred thirty-six".
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