Base | Representation |
---|---|
bin | 1000010001010010… |
… | …1000001101101111 |
3 | 12201201022200122100 |
4 | 2010110220031233 |
5 | 14021310000421 |
6 | 1004142150143 |
7 | 106004455350 |
oct | 20424501557 |
9 | 5651280570 |
10 | 2220000111 |
11 | a3a14aa3a |
12 | 51b582353 |
13 | 294c14b44 |
14 | 170ba5d27 |
15 | ced6cc26 |
hex | 8452836f |
2220000111 has 24 divisors (see below), whose sum is σ = 3763813664. Its totient is φ = 1234284480.
The previous prime is 2220000077. The next prime is 2220000113. The reversal of 2220000111 is 1110000222.
It is not a de Polignac number, because 2220000111 - 27 = 2219999983 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is a zygodrome in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 2220000093 and 2220000102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220000113) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473860 + ... + 478521.
Almost surely, 22220000111 is an apocalyptic number.
2220000111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2220000111 is a deficient number, since it is larger than the sum of its proper divisors (1543813553).
2220000111 is a wasteful number, since it uses less digits than its factorization.
2220000111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 952431 (or 952428 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 2220000111 is about 47116.8771354809. The cubic root of 2220000111 is about 1304.5207717625.
Adding to 2220000111 its reverse (1110000222), we get a palindrome (3330000333).
The spelling of 2220000111 in words is "two billion, two hundred twenty million, one hundred eleven", and thus it is an aban number.
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