Base | Representation |
---|---|
bin | 100000001010010100111… |
… | …100101000001000000111 |
3 | 21211021200111212000010020 |
4 | 200022110330220020013 |
5 | 242202302200023421 |
6 | 4411151140430223 |
7 | 315450431660412 |
oct | 40122474501007 |
9 | 7737614760106 |
10 | 2210112111111 |
11 | 78233773a803 |
12 | 2b84020a8373 |
13 | 130549864c38 |
14 | 78d81958b79 |
15 | 3c7540a7dc6 |
hex | 20294f28207 |
2210112111111 has 8 divisors (see below), whose sum is σ = 2975426014080. Its totient is φ = 1459103141112.
The previous prime is 2210112111101. The next prime is 2210112111131. The reversal of 2210112111111 is 1111112110122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2210112111111 - 26 = 2210112111047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2210112111101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3576232881 + ... + 3576233498.
It is an arithmetic number, because the mean of its divisors is an integer number (371928251760).
Almost surely, 22210112111111 is an apocalyptic number.
2210112111111 is a deficient number, since it is larger than the sum of its proper divisors (765313902969).
2210112111111 is a wasteful number, since it uses less digits than its factorization.
2210112111111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7152466485.
The product of its (nonzero) digits is 8, while the sum is 15.
Adding to 2210112111111 its reverse (1111112110122), we get a palindrome (3321224221233).
The spelling of 2210112111111 in words is "two trillion, two hundred ten billion, one hundred twelve million, one hundred eleven thousand, one hundred eleven".
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