Base | Representation |
---|---|
bin | 111000110100100010… |
… | …0111111011001011101 |
3 | 102122221220220212100112 |
4 | 1301221010333121131 |
5 | 3444400113001341 |
6 | 132020042535405 |
7 | 11546550613532 |
oct | 1615104773135 |
9 | 378856825315 |
10 | 122022000221 |
11 | 47827268890 |
12 | 1b794b07565 |
13 | b6780953c4 |
14 | 5c97acad89 |
15 | 3292761aeb |
hex | 1c6913f65d |
122022000221 has 16 divisors (see below), whose sum is σ = 133400253888. Its totient is φ = 110691504000.
The previous prime is 122022000193. The next prime is 122022000259. The reversal of 122022000221 is 122000220221.
It is a de Polignac number, because none of the positive numbers 2k-122022000221 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 122022000196 and 122022000205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122022006221) 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, 18206171 + ... + 18212871.
It is an arithmetic number, because the mean of its divisors is an integer number (8337515868).
Almost surely, 2122022000221 is an apocalyptic number.
122022000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
122022000221 is a deficient number, since it is larger than the sum of its proper divisors (11378253667).
122022000221 is a wasteful number, since it uses less digits than its factorization.
122022000221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10012.
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 122022000221 its reverse (122000220221), we get a palindrome (244022220442).
The spelling of 122022000221 in words is "one hundred twenty-two billion, twenty-two million, two hundred twenty-one", and thus it is an aban number.
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