Base | Representation |
---|---|
bin | 110111111110110101… |
… | …1101010110100011101 |
3 | 102111022100111221102012 |
4 | 1233331223222310131 |
5 | 3432202332401341 |
6 | 131121200041005 |
7 | 11454111561362 |
oct | 1577553526435 |
9 | 374270457365 |
10 | 120220200221 |
11 | 46a92194880 |
12 | 1b371603165 |
13 | b44b9c4c64 |
14 | 5b666a6469 |
15 | 31d94a00eb |
hex | 1bfdaead1d |
120220200221 has 16 divisors (see below), whose sum is σ = 144054167040. Its totient is φ = 99037231920.
The previous prime is 120220200209. The next prime is 120220200223. The reversal of 120220200221 is 122002022021.
It is not a de Polignac number, because 120220200221 - 230 = 119146458397 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 120220200196 and 120220200205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120220200223) 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, 12499895 + ... + 12509508.
It is an arithmetic number, because the mean of its divisors is an integer number (9003385440).
Almost surely, 2120220200221 is an apocalyptic number.
120220200221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
120220200221 is a deficient number, since it is larger than the sum of its proper divisors (23833966819).
120220200221 is a wasteful number, since it uses less digits than its factorization.
120220200221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25009456.
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 120220200221 its reverse (122002022021), we get a palindrome (242222222242).
The spelling of 120220200221 in words is "one hundred twenty billion, two hundred twenty million, two hundred thousand, two hundred twenty-one".
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