Base | Representation |
---|---|
bin | 100000001100001011100… |
… | …100010000011000100111 |
3 | 21211110211012120120002122 |
4 | 200030023210100120213 |
5 | 242220341131223421 |
6 | 4412120431300155 |
7 | 315550645360262 |
oct | 40141344203047 |
9 | 7743735516078 |
10 | 2212102211111 |
11 | 783169035351 |
12 | 2b887867a65b |
13 | 1307a5c540c0 |
14 | 790cdd97cd9 |
15 | 3c81db622ab |
hex | 2030b910627 |
2212102211111 has 8 divisors (see below), whose sum is σ = 2392946720640. Its totient is φ = 2032783816032.
The previous prime is 2212102211083. The next prime is 2212102211117. The reversal of 2212102211111 is 1111122012122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2212102211111 - 238 = 1937224304167 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 2212102211111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2212102211117) 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, 381525596 + ... + 381531393.
It is an arithmetic number, because the mean of its divisors is an integer number (299118340080).
Almost surely, 22212102211111 is an apocalyptic number.
2212102211111 is a deficient number, since it is larger than the sum of its proper divisors (180844509529).
2212102211111 is a wasteful number, since it uses less digits than its factorization.
2212102211111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 763057225.
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 2212102211111 its reverse (1111122012122), we get a palindrome (3323224223233).
The spelling of 2212102211111 in words is "two trillion, two hundred twelve billion, one hundred two million, two hundred eleven thousand, one hundred eleven".
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