Base | Representation |
---|---|
bin | 1001001011111011101010… |
… | …11010010000100101000100 |
3 | 2122112012211102122212112111 |
4 | 10211331311122100211010 |
5 | 10121434024424323022 |
6 | 110544145330030404 |
7 | 4153326410264500 |
oct | 445756532204504 |
9 | 78465742585474 |
10 | 20201201011012 |
11 | 648931036561a |
12 | 2323165418404 |
13 | b36c7138c5c8 |
14 | 4dba59a53300 |
15 | 25072d995477 |
hex | 125f75690944 |
20201201011012 has 36 divisors (see below), whose sum is σ = 41136642196524. Its totient is φ = 8654969426880.
The previous prime is 20201201010997. The next prime is 20201201011031. The reversal of 20201201011012 is 21011010210202.
It can be written as a sum of positive squares in 2 ways, for example, as 16212009699396 + 3989191311616 = 4026414^2 + 1997296^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20201201010983 and 20201201011001.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15367963 + ... + 16630594.
It is an arithmetic number, because the mean of its divisors is an integer number (1142684505459).
Almost surely, 220201201011012 is an apocalyptic number.
It is an amenable number.
20201201011012 is an abundant number, since it is smaller than the sum of its proper divisors (20935441185512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20201201011012 is a wasteful number, since it uses less digits than its factorization.
20201201011012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32001796 (or 32001787 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 20201201011012 its reverse (21011010210202), we get a palindrome (41212211221214).
The spelling of 20201201011012 in words is "twenty trillion, two hundred one billion, two hundred one million, eleven thousand, twelve".
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