Base | Representation |
---|---|
bin | 11110111000011000010… |
… | …101110011001010101100 |
3 | 21111212120100100000001102 |
4 | 132320120111303022230 |
5 | 234232101241241022 |
6 | 4302520043502232 |
7 | 306214111115345 |
oct | 36703025631254 |
9 | 7455510300042 |
10 | 2122122212012 |
11 | 748a94735230 |
12 | 2a3346527978 |
13 | 12516631579a |
14 | 749d59c50cc |
15 | 3a304436a92 |
hex | 1ee185732ac |
2122122212012 has 48 divisors (see below), whose sum is σ = 4066495870752. Its totient is φ = 960992302080.
The previous prime is 2122122212011. The next prime is 2122122212027. The reversal of 2122122212012 is 2102122212212.
It is not an unprimeable number, because it can be changed into a prime (2122122212011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24127988 + ... + 24215780.
It is an arithmetic number, because the mean of its divisors is an integer number (84718663974).
Almost surely, 22122122212012 is an apocalyptic number.
2122122212012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2122122212012 is a deficient number, since it is larger than the sum of its proper divisors (1944373658740).
2122122212012 is a wasteful number, since it uses less digits than its factorization.
2122122212012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89858 (or 89856 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 2122122212012 its reverse (2102122212212), we get a palindrome (4224244424224).
The spelling of 2122122212012 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, twelve".
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