Base | Representation |
---|---|
bin | 110010000100100000011011… |
… | …001111010111000111111101 |
3 | 1001212201001201022112022000210 |
4 | 302010200123033113013331 |
5 | 212330423204133242341 |
6 | 2100204001104343033 |
7 | 64245536101402062 |
oct | 6204403317270775 |
9 | 1055631638468023 |
10 | 220212020212221 |
11 | 64191436548974 |
12 | 20846694014a79 |
13 | 95b4b9ac8249b |
14 | 3c54466522c69 |
15 | 1a6d3477adc16 |
hex | c8481b3d71fd |
220212020212221 has 8 divisors (see below), whose sum is σ = 309069502052320. Its totient is φ = 139081275923472.
The previous prime is 220212020212193. The next prime is 220212020212229. The reversal of 220212020212221 is 122212020212022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 220212020212221 - 214 = 220212020195837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220212020212229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1931684387770 + ... + 1931684387883.
It is an arithmetic number, because the mean of its divisors is an integer number (38633687756540).
Almost surely, 2220212020212221 is an apocalyptic number.
It is an amenable number.
220212020212221 is a deficient number, since it is larger than the sum of its proper divisors (88857481840099).
220212020212221 is a wasteful number, since it uses less digits than its factorization.
220212020212221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3863368775675.
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 220212020212221 its reverse (122212020212022), we get a palindrome (342424040424243).
The spelling of 220212020212221 in words is "two hundred twenty trillion, two hundred twelve billion, twenty million, two hundred twelve thousand, two hundred twenty-one".
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