Base | Representation |
---|---|
bin | 111110111100101… |
… | …1110101101101011 |
3 | 12110012111220010210 |
4 | 1331321132231223 |
5 | 13311212020021 |
6 | 545332112203 |
7 | 103225400556 |
oct | 17571365553 |
9 | 5405456123 |
10 | 2112220011 |
11 | 994325180 |
12 | 4ab465663 |
13 | 2787a9035 |
14 | 16074b69d |
15 | c567ce76 |
hex | 7de5eb6b |
2112220011 has 32 divisors (see below), whose sum is σ = 3098476800. Its totient is φ = 1269290880.
The previous prime is 2112219917. The next prime is 2112220031. The reversal of 2112220011 is 1100222112.
It is not a de Polignac number, because 2112220011 - 211 = 2112217963 is a prime.
It is a super-2 number, since 2×21122200112 = 8922946749737680242, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112220031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2458500 + ... + 2459358.
It is an arithmetic number, because the mean of its divisors is an integer number (96827400).
Almost surely, 22112220011 is an apocalyptic number.
2112220011 is a deficient number, since it is larger than the sum of its proper divisors (986256789).
2112220011 is a wasteful number, since it uses less digits than its factorization.
2112220011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1419.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2112220011 is about 45958.8947974165. The cubic root of 2112220011 is about 1283.0582817668.
Adding to 2112220011 its reverse (1100222112), we get a palindrome (3212442123).
It can be divided in two parts, 211 and 2220011, that added together give a palindrome (2220222).
The spelling of 2112220011 in words is "two billion, one hundred twelve million, two hundred twenty thousand, eleven".
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