Base | Representation |
---|---|
bin | 10010110100100111… |
… | …110010110111000001 |
3 | 1221011111001112102222 |
4 | 102310213302313001 |
5 | 312342302400001 |
6 | 13141234420425 |
7 | 1313553602615 |
oct | 226447626701 |
9 | 57144045388 |
10 | 20210200001 |
11 | 8631149432 |
12 | 3b00431715 |
13 | 1ba10c3834 |
14 | d9a1a1345 |
15 | 7d443c61b |
hex | 4b49f2dc1 |
20210200001 has 2 divisors, whose sum is σ = 20210200002. Its totient is φ = 20210200000.
The previous prime is 20210199983. The next prime is 20210200007. The reversal of 20210200001 is 10000201202.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12673355776 + 7536844225 = 112576^2 + 86815^2 .
It is a cyclic number.
It is not a de Polignac number, because 20210200001 - 26 = 20210199937 is a prime.
It is a super-3 number, since 3×202102000013 (a number of 32 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (20210200007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105100000 + 10105100001.
It is an arithmetic number, because the mean of its divisors is an integer number (10105100001).
Almost surely, 220210200001 is an apocalyptic number.
It is an amenable number.
20210200001 is a deficient number, since it is larger than the sum of its proper divisors (1).
20210200001 is an equidigital number, since it uses as much as digits as its factorization.
20210200001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8, while the sum is 8.
Adding to 20210200001 its reverse (10000201202), we get a palindrome (30210401203).
The spelling of 20210200001 in words is "twenty billion, two hundred ten million, two hundred thousand, one".
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