Base | Representation |
---|---|
bin | 100100011010110… |
… | …0110010010011100 |
3 | 10011011102112121002 |
4 | 1020311212102130 |
5 | 10000313310022 |
6 | 321131525432 |
7 | 42165625256 |
oct | 11065462234 |
9 | 3134375532 |
10 | 1222010012 |
11 | 57787a233 |
12 | 2a12b9878 |
13 | 16622c762 |
14 | b841ccd6 |
15 | 72437092 |
hex | 48d6649c |
1222010012 has 12 divisors (see below), whose sum is σ = 2141018880. Its totient is φ = 610290336.
The previous prime is 1222009979. The next prime is 1222010057. The reversal of 1222010012 is 2100102221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1222009975 and 1222010002.
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, 174812 + ... + 181667.
It is an arithmetic number, because the mean of its divisors is an integer number (178418240).
Almost surely, 21222010012 is an apocalyptic number.
It is an amenable number.
1222010012 is a deficient number, since it is larger than the sum of its proper divisors (919008868).
1222010012 is a wasteful number, since it uses less digits than its factorization.
1222010012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 357340 (or 357338 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 1222010012 is about 34957.2597896345. The cubic root of 1222010012 is about 1069.1162271831.
Adding to 1222010012 its reverse (2100102221), we get a palindrome (3322112233).
The spelling of 1222010012 in words is "one billion, two hundred twenty-two million, ten thousand, twelve".
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