Base | Representation |
---|---|
bin | 1100110011101001001… |
… | …0010001110100100011 |
3 | 210000220122201010201020 |
4 | 3030322102101310203 |
5 | 12101100411432321 |
6 | 245024253540523 |
7 | 21616221234636 |
oct | 3147222216443 |
9 | 700818633636 |
10 | 220021202211 |
11 | 85346261808 |
12 | 367847a4743 |
13 | 1799520b4a5 |
14 | a913125c1d |
15 | 5acaecc4c6 |
hex | 333a491d23 |
220021202211 has 16 divisors (see below), whose sum is σ = 297147801600. Its totient is φ = 144788611968.
The previous prime is 220021202209. The next prime is 220021202239. The reversal of 220021202211 is 112202120022.
It is not a de Polignac number, because 220021202211 - 21 = 220021202209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (220021202201) 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, 874075 + ... + 1097291.
It is an arithmetic number, because the mean of its divisors is an integer number (18571737600).
Almost surely, 2220021202211 is an apocalyptic number.
220021202211 is a deficient number, since it is larger than the sum of its proper divisors (77126599389).
220021202211 is a wasteful number, since it uses less digits than its factorization.
220021202211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227458.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 220021202211 its reverse (112202120022), we get a palindrome (332223322233).
The spelling of 220021202211 in words is "two hundred twenty billion, twenty-one million, two hundred two thousand, two hundred eleven".
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