Base | Representation |
---|---|
bin | 10110011001001000… |
… | …10111111111011111 |
3 | 1011000211120000000012 |
4 | 23030210113333133 |
5 | 144110114201421 |
6 | 5304533353435 |
7 | 603626334101 |
oct | 131444277737 |
9 | 34024500005 |
10 | 12022022111 |
11 | 510a133170 |
12 | 23b619887b |
13 | 11978a5468 |
14 | 820911571 |
15 | 4a567095b |
hex | 2cc917fdf |
12022022111 has 4 divisors (see below), whose sum is σ = 13114933224. Its totient is φ = 10929111000.
The previous prime is 12022022081. The next prime is 12022022119. The reversal of 12022022111 is 11122022021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11122022021 = 11 ⋅1011092911.
It is a cyclic number.
It is not a de Polignac number, because 12022022111 - 214 = 12022005727 is a prime.
It is a super-4 number, since 4×120220221114 (a number of 41 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12022022119) 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, 546455540 + ... + 546455561.
It is an arithmetic number, because the mean of its divisors is an integer number (3278733306).
Almost surely, 212022022111 is an apocalyptic number.
12022022111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12022022111 is a deficient number, since it is larger than the sum of its proper divisors (1092911113).
12022022111 is a wasteful number, since it uses less digits than its factorization.
12022022111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1092911112.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 12022022111 its reverse (11122022021), we get a palindrome (23144044132).
The spelling of 12022022111 in words is "twelve billion, twenty-two million, twenty-two thousand, one hundred eleven".
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