Base | Representation |
---|---|
bin | 111011111001111… |
… | …1111111110111001 |
3 | 12012002101200102101 |
4 | 1313303333332321 |
5 | 13104042320441 |
6 | 531243503401 |
7 | 100545511342 |
oct | 16763777671 |
9 | 5162350371 |
10 | 2010120121 |
11 | 941729aa9 |
12 | 481227b61 |
13 | 2605ab7b9 |
14 | 150d710c9 |
15 | bb711231 |
hex | 77cfffb9 |
2010120121 has 24 divisors (see below), whose sum is σ = 2154841920. Its totient is φ = 1874426400.
The previous prime is 2010120107. The next prime is 2010120139. The reversal of 2010120121 is 1210210102.
It is not a de Polignac number, because 2010120121 - 25 = 2010120089 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2010120098 and 2010120107.
It is not an unprimeable number, because it can be changed into a prime (2010120521) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4093686 + ... + 4094176.
It is an arithmetic number, because the mean of its divisors is an integer number (89785080).
Almost surely, 22010120121 is an apocalyptic number.
It is an amenable number.
2010120121 is a deficient number, since it is larger than the sum of its proper divisors (144721799).
2010120121 is a wasteful number, since it uses less digits than its factorization.
2010120121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 717 (or 694 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 2010120121 is about 44834.3631715674. The cubic root of 2010120121 is about 1262.0425678180.
Adding to 2010120121 its reverse (1210210102), we get a palindrome (3220330223).
The spelling of 2010120121 in words is "two billion, ten million, one hundred twenty thousand, one hundred twenty-one".
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