Base | Representation |
---|---|
bin | 111000110110111001… |
… | …0101111011010001100 |
3 | 102200011102202122220012 |
4 | 1301231302233122030 |
5 | 4000030340232340 |
6 | 132031550212352 |
7 | 11551531146566 |
oct | 1615562573214 |
9 | 380142678805 |
10 | 122101102220 |
11 | 47867986339 |
12 | 1b7b74b40b8 |
13 | b68b59cb16 |
14 | 5ca43dc336 |
15 | 3299689565 |
hex | 1c6dcaf68c |
122101102220 has 48 divisors (see below), whose sum is σ = 257369222880. Its totient is φ = 48658328064.
The previous prime is 122101102199. The next prime is 122101102229. The reversal of 122101102220 is 22201101221.
It is a junction number, because it is equal to n+sod(n) for n = 122101102195 and 122101102204.
It is not an unprimeable number, because it can be changed into a prime (122101102229) 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, 19700162 + ... + 19706358.
It is an arithmetic number, because the mean of its divisors is an integer number (5361858810).
Almost surely, 2122101102220 is an apocalyptic number.
122101102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122101102220 is an abundant number, since it is smaller than the sum of its proper divisors (135268120660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122101102220 is a wasteful number, since it uses less digits than its factorization.
122101102220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9722 (or 9720 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 122101102220 its reverse (22201101221), we get a palindrome (144302203441).
Subtracting from 122101102220 its reverse (22201101221), we obtain a palindrome (99900000999).
The spelling of 122101102220 in words is "one hundred twenty-two billion, one hundred one million, one hundred two thousand, two hundred twenty".
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