Base | Representation |
---|---|
bin | 100000010011101110111… |
… | …100101100010001001111 |
3 | 21212020202101121010122122 |
4 | 200103232330230101033 |
5 | 242333443233341421 |
6 | 4415541252403155 |
7 | 316255631503052 |
oct | 40235674542117 |
9 | 7766671533578 |
10 | 2220212012111 |
11 | 78664a888925 |
12 | 2ba3606164bb |
13 | 13149915cb12 |
14 | 7965d084a99 |
15 | 3cb45aeb2ab |
hex | 204eef2c44f |
2220212012111 has 4 divisors (see below), whose sum is σ = 2240961657192. Its totient is φ = 2199462367032.
The previous prime is 2220212012077. The next prime is 2220212012141. The reversal of 2220212012111 is 1112102120222.
2220212012111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2220212012111 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2220212012111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220212012141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10374822380 + ... + 10374822593.
It is an arithmetic number, because the mean of its divisors is an integer number (560240414298).
Almost surely, 22220212012111 is an apocalyptic number.
2220212012111 is a deficient number, since it is larger than the sum of its proper divisors (20749645081).
2220212012111 is a wasteful number, since it uses less digits than its factorization.
2220212012111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20749645080.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 2220212012111 its reverse (1112102120222), we get a palindrome (3332314132333).
The spelling of 2220212012111 in words is "two trillion, two hundred twenty billion, two hundred twelve million, twelve thousand, one hundred eleven".
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