Base | Representation |
---|---|
bin | 111110111100010… |
… | …1011101111001100 |
3 | 12110012010021201111 |
4 | 1331320223233030 |
5 | 13311133324322 |
6 | 545323421404 |
7 | 103223541043 |
oct | 17570535714 |
9 | 5405107644 |
10 | 2112011212 |
11 | 9941a2313 |
12 | 4ab384864 |
13 | 278734c9c |
14 | 1606d555a |
15 | c563b177 |
hex | 7de2bbcc |
2112011212 has 24 divisors (see below), whose sum is σ = 3734402672. Its totient is φ = 1045094400.
The previous prime is 2112011203. The next prime is 2112011219. The reversal of 2112011212 is 2121102112.
It is a super-2 number, since 2×21120112122 = 8921182719227417888, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2112011192 and 2112011201.
It is not an unprimeable number, because it can be changed into a prime (2112011219) 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, 150412 + ... + 163852.
Almost surely, 22112011212 is an apocalyptic number.
It is an amenable number.
2112011212 is a deficient number, since it is larger than the sum of its proper divisors (1622391460).
2112011212 is a wasteful number, since it uses less digits than its factorization.
2112011212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13849 (or 13847 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
The square root of 2112011212 is about 45956.6231570597. The cubic root of 2112011212 is about 1283.0160023778.
Adding to 2112011212 its reverse (2121102112), we get a palindrome (4233113324).
The spelling of 2112011212 in words is "two billion, one hundred twelve million, eleven thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •