Base | Representation |
---|---|
bin | 111011111101100… |
… | …1011001110111010 |
3 | 12012012221020210100 |
4 | 1313323023032322 |
5 | 13110033014320 |
6 | 531352100230 |
7 | 100600504512 |
oct | 16773131672 |
9 | 5165836710 |
10 | 2012001210 |
11 | 9427a431a |
12 | 481994676 |
13 | 260ab9a7b |
14 | 151300842 |
15 | bb983790 |
hex | 77ecb3ba |
2012001210 has 48 divisors (see below), whose sum is σ = 5246805096. Its totient is φ = 534933504.
The previous prime is 2012001209. The next prime is 2012001217. The reversal of 2012001210 is 121002102.
It can be written as a sum of positive squares in 4 ways, for example, as 1421365401 + 590635809 = 37701^2 + 24303^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2012001192 and 2012001201.
It is not an unprimeable number, because it can be changed into a prime (2012001217) 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, 2839 + ... + 63498.
Almost surely, 22012001210 is an apocalyptic number.
2012001210 is an abundant number, since it is smaller than the sum of its proper divisors (3234803886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2012001210 is a wasteful number, since it uses less digits than its factorization.
2012001210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66687 (or 66684 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 2012001210 is about 44855.3364718179. The cubic root of 2012001210 is about 1262.4361221153.
Adding to 2012001210 its reverse (121002102), we get a palindrome (2133003312).
The spelling of 2012001210 in words is "two billion, twelve million, one thousand, two hundred ten".
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