Base | Representation |
---|---|
bin | 111111001111110… |
… | …0101101011011100 |
3 | 12110220022102211211 |
4 | 1332133211223130 |
5 | 13321241210022 |
6 | 550330154204 |
7 | 103406326126 |
oct | 17637455334 |
9 | 5426272754 |
10 | 2122210012 |
11 | 999a2887a |
12 | 4b2882964 |
13 | 27a896190 |
14 | 161bcc216 |
15 | c64a2e77 |
hex | 7e7e5adc |
2122210012 has 12 divisors (see below), whose sum is σ = 3999549736. Its totient is φ = 979481520.
The previous prime is 2122210007. The next prime is 2122210031. The reversal of 2122210012 is 2100122212.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 2122209974 and 2122210001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20405814 + ... + 20405917.
Almost surely, 22122210012 is an apocalyptic number.
It is an amenable number.
2122210012 is a deficient number, since it is larger than the sum of its proper divisors (1877339724).
2122210012 is a wasteful number, since it uses less digits than its factorization.
2122210012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40811748 (or 40811746 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2122210012 is about 46067.4506783260. The cubic root of 2122210012 is about 1285.0778944136.
Adding to 2122210012 its reverse (2100122212), we get a palindrome (4222332224).
The spelling of 2122210012 in words is "two billion, one hundred twenty-two million, two hundred ten thousand, twelve".
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