Base | Representation |
---|---|
bin | 1011101100110111011… |
… | …0111010101110010001 |
3 | 201012212120202220100220 |
4 | 2323031312322232101 |
5 | 11243143142034301 |
6 | 232203123503253 |
7 | 20344342454514 |
oct | 2731566725621 |
9 | 635776686326 |
10 | 201022221201 |
11 | 7828689210a |
12 | 32b61b27b29 |
13 | 15c580397a9 |
14 | 9a2db74d7b |
15 | 5368094936 |
hex | 2ecddbab91 |
201022221201 has 16 divisors (see below), whose sum is σ = 270815160000. Its totient is φ = 132622276608.
The previous prime is 201022221187. The next prime is 201022221221. The reversal of 201022221201 is 102122220102.
It is not a de Polignac number, because 201022221201 - 27 = 201022221073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (201022221221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5069550 + ... + 5109048.
It is an arithmetic number, because the mean of its divisors is an integer number (16925947500).
Almost surely, 2201022221201 is an apocalyptic number.
It is an amenable number.
201022221201 is a deficient number, since it is larger than the sum of its proper divisors (69792938799).
201022221201 is a wasteful number, since it uses less digits than its factorization.
201022221201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57088.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 201022221201 its reverse (102122220102), we get a palindrome (303144441303).
The spelling of 201022221201 in words is "two hundred one billion, twenty-two million, two hundred twenty-one thousand, two hundred one".
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