Base | Representation |
---|---|
bin | 1100110100010110001… |
… | …0111100011000011101 |
3 | 210001101211012011111120 |
4 | 3031011202330120131 |
5 | 12101442242321341 |
6 | 245055123041153 |
7 | 21624004065210 |
oct | 3150542743035 |
9 | 701354164446 |
10 | 220210120221 |
11 | 854329656a3 |
12 | 36817b101b9 |
13 | 179c53b55b0 |
14 | a930261777 |
15 | 5adc898066 |
hex | 33458bc61d |
220210120221 has 32 divisors (see below), whose sum is σ = 367495403520. Its totient is φ = 114186055104.
The previous prime is 220210120201. The next prime is 220210120253. The reversal of 220210120221 is 122021012022.
220210120221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 220210120221 - 215 = 220210087453 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 220210120221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220210120201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6819745 + ... + 6851958.
It is an arithmetic number, because the mean of its divisors is an integer number (11484231360).
Almost surely, 2220210120221 is an apocalyptic number.
220210120221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
220210120221 is a deficient number, since it is larger than the sum of its proper divisors (147285283299).
220210120221 is a wasteful number, since it uses less digits than its factorization.
220210120221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13671785.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 220210120221 its reverse (122021012022), we get a palindrome (342231132243).
The spelling of 220210120221 in words is "two hundred twenty billion, two hundred ten million, one hundred twenty thousand, two hundred twenty-one".
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