Base | Representation |
---|---|
bin | 100000010011101000010… |
… | …001110100101100000111 |
3 | 21212020110121000222100011 |
4 | 200103220101310230013 |
5 | 242333231112023421 |
6 | 4415522214131051 |
7 | 316253102403061 |
oct | 40235021645407 |
9 | 7766417028304 |
10 | 2220100111111 |
11 | 7865a26a8a63 |
12 | 2ba32b050a87 |
13 | 13147bc103cc |
14 | 7964c276731 |
15 | 3cb3ad954e1 |
hex | 204e8474b07 |
2220100111111 has 32 divisors (see below), whose sum is σ = 2480943928320. Its totient is φ = 1974313958400.
The previous prime is 2220100111057. The next prime is 2220100111153. The reversal of 2220100111111 is 1111110010222.
It is a happy number.
It is not a de Polignac number, because 2220100111111 - 223 = 2220091722503 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2220100111091 and 2220100111100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220100111181) 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 31 ways as a sum of consecutive naturals, for example, 362699131 + ... + 362705251.
It is an arithmetic number, because the mean of its divisors is an integer number (77529497760).
Almost surely, 22220100111111 is an apocalyptic number.
2220100111111 is a deficient number, since it is larger than the sum of its proper divisors (260843817209).
2220100111111 is a wasteful number, since it uses less digits than its factorization.
2220100111111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8935.
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 2220100111111 its reverse (1111110010222), we get a palindrome (3331210121333).
The spelling of 2220100111111 in words is "two trillion, two hundred twenty billion, one hundred million, one hundred eleven thousand, one hundred eleven".
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