Base | Representation |
---|---|
bin | 1001001011111011010010… |
… | …11011111101101010000001 |
3 | 2122112012022102200010020111 |
4 | 10211331221123331222001 |
5 | 10121433122013144301 |
6 | 110544113352311321 |
7 | 4153321420654201 |
oct | 445755133755201 |
9 | 78465272603214 |
10 | 20201000131201 |
11 | 6489217a3164a |
12 | 232310a0a2541 |
13 | b36c3b887a06 |
14 | 4dba3b0c2401 |
15 | 25071b015551 |
hex | 125f696fda81 |
20201000131201 has 2 divisors, whose sum is σ = 20201000131202. Its totient is φ = 20201000131200.
The previous prime is 20201000131177. The next prime is 20201000131219. The reversal of 20201000131201 is 10213100010202.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10942070094400 + 9258930036801 = 3307880^2 + 3042849^2 .
It is a cyclic number.
It is not a de Polignac number, because 20201000131201 - 211 = 20201000129153 is a prime.
It is not a weakly prime, because it can be changed into another prime (20201000131271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100500065600 + 10100500065601.
It is an arithmetic number, because the mean of its divisors is an integer number (10100500065601).
Almost surely, 220201000131201 is an apocalyptic number.
It is an amenable number.
20201000131201 is a deficient number, since it is larger than the sum of its proper divisors (1).
20201000131201 is an equidigital number, since it uses as much as digits as its factorization.
20201000131201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 20201000131201 its reverse (10213100010202), we get a palindrome (30414100141403).
The spelling of 20201000131201 in words is "twenty trillion, two hundred one billion, one hundred thirty-one thousand, two hundred one".
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