Base | Representation |
---|---|
bin | 1001001011111011101010… |
… | …11011000001101001101100 |
3 | 2122112012211110001002020221 |
4 | 10211331311123001221230 |
5 | 10121434030002241022 |
6 | 110544145334221124 |
7 | 4153326412062502 |
oct | 445756533015154 |
9 | 78465743032227 |
10 | 20201201212012 |
11 | 6489310492637 |
12 | 23231654b47a4 |
13 | b36c7142cc42 |
14 | 4dba59aa6672 |
15 | 25072d9d4cc7 |
hex | 125f756c1a6c |
20201201212012 has 12 divisors (see below), whose sum is σ = 35353012614640. Its totient is φ = 10100340464976.
The previous prime is 20201201212009. The next prime is 20201201212039. The reversal of 20201201212012 is 21021210210202.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64860483 + ... + 65171194.
Almost surely, 220201201212012 is an apocalyptic number.
It is an amenable number.
20201201212012 is a deficient number, since it is larger than the sum of its proper divisors (15151811402628).
20201201212012 is a wasteful number, since it uses less digits than its factorization.
20201201212012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130070520 (or 130070518 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 20201201212012 its reverse (21021210210202), we get a palindrome (41222411422214).
The spelling of 20201201212012 in words is "twenty trillion, two hundred one billion, two hundred one million, two hundred twelve thousand, twelve".
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