Base | Representation |
---|---|
bin | 10001110000001110111… |
… | …110101010100001110011 |
3 | 11022122002102200010021120 |
4 | 101300032332222201303 |
5 | 124442101114121321 |
6 | 2332245333553323 |
7 | 154100166031551 |
oct | 21601676524163 |
9 | 4278072603246 |
10 | 1220022020211 |
11 | 430454696235 |
12 | 178546aa5843 |
13 | 8b080702447 |
14 | 43099702bd1 |
15 | 21b07855ec6 |
hex | 11c0efaa873 |
1220022020211 has 16 divisors (see below), whose sum is σ = 1633166160384. Its totient is φ = 810114027264.
The previous prime is 1220022020183. The next prime is 1220022020219. The reversal of 1220022020211 is 1120202200221.
It is not a de Polignac number, because 1220022020211 - 27 = 1220022020083 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1220022020219) 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, 4489170 + ... + 4753176.
It is an arithmetic number, because the mean of its divisors is an integer number (102072885024).
Almost surely, 21220022020211 is an apocalyptic number.
1220022020211 is a deficient number, since it is larger than the sum of its proper divisors (413144140173).
1220022020211 is a wasteful number, since it uses less digits than its factorization.
1220022020211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270130.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 1220022020211 its reverse (1120202200221), we get a palindrome (2340224220432).
The spelling of 1220022020211 in words is "one trillion, two hundred twenty billion, twenty-two million, twenty thousand, two hundred eleven".
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