Base | Representation |
---|---|
bin | 10010101000001010… |
… | …001001010110010001 |
3 | 1220121220121012210222 |
4 | 102220022021112101 |
5 | 311430240214301 |
6 | 13104405002425 |
7 | 1305434361254 |
oct | 225012112621 |
9 | 56556535728 |
10 | 20001101201 |
11 | 8534111404 |
12 | 3a623b3415 |
13 | 1b699a1c33 |
14 | d7a4d109b |
15 | 7c0dd731b |
hex | 4a8289591 |
20001101201 has 4 divisors (see below), whose sum is σ = 20042171712. Its totient is φ = 19960030692.
The previous prime is 20001101179. The next prime is 20001101207. The reversal of 20001101201 is 10210110002.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20001101201 - 218 = 20000839057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20001101207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20534525 + ... + 20535498.
It is an arithmetic number, because the mean of its divisors is an integer number (5010542928).
Almost surely, 220001101201 is an apocalyptic number.
It is an amenable number.
20001101201 is a deficient number, since it is larger than the sum of its proper divisors (41070511).
20001101201 is an equidigital number, since it uses as much as digits as its factorization.
20001101201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41070510.
The product of its (nonzero) digits is 4, while the sum is 8.
Adding to 20001101201 its reverse (10210110002), we get a palindrome (30211211203).
The spelling of 20001101201 in words is "twenty billion, one million, one hundred one thousand, two hundred one".
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