Base | Representation |
---|---|
bin | 11101101111101010011… |
… | …00101110001111101100 |
3 | 10121201000101211020120212 |
4 | 32313311030232033230 |
5 | 113221044334032340 |
6 | 2101302053001552 |
7 | 133560430116461 |
oct | 16676514561754 |
9 | 3551011736525 |
10 | 1022021002220 |
11 | 364489236889 |
12 | 1460a89232b8 |
13 | 754b759217a |
14 | 37674cd3668 |
15 | 1b8b9b42a65 |
hex | edf532e3ec |
1022021002220 has 24 divisors (see below), whose sum is σ = 2146360789104. Its totient is φ = 408786175296.
The previous prime is 1022021002207. The next prime is 1022021002241. The reversal of 1022021002220 is 222001202201.
It is a junction number, because it is equal to n+sod(n) for n = 1022021002195 and 1022021002204.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009502 + ... + 1750181.
It is an arithmetic number, because the mean of its divisors is an integer number (89431699546).
Almost surely, 21022021002220 is an apocalyptic number.
1022021002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1022021002220 is an abundant number, since it is smaller than the sum of its proper divisors (1124339786884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1022021002220 is a wasteful number, since it uses less digits than its factorization.
1022021002220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2778209 (or 2778207 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 1022021002220 its reverse (222001202201), we get a palindrome (1244022204421).
The spelling of 1022021002220 in words is "one trillion, twenty-two billion, twenty-one million, two thousand, two hundred twenty".
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