Base | Representation |
---|---|
bin | 11001010001011… |
… | …01110111001010 |
3 | 112202220201121100 |
4 | 30220231313022 |
5 | 413233001302 |
6 | 33011522230 |
7 | 5152654251 |
oct | 1450556712 |
9 | 482821540 |
10 | 212000202 |
11 | a9739987 |
12 | 5abb9376 |
13 | 34bc940b |
14 | 20227798 |
15 | 13929d1c |
hex | ca2ddca |
212000202 has 12 divisors (see below), whose sum is σ = 459333810. Its totient is φ = 70666728.
The previous prime is 212000189. The next prime is 212000203. The reversal of 212000202 is 202000212.
It can be written as a sum of positive squares in only one way, i.e., 211964481 + 35721 = 14559^2 + 189^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (212000203) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5888877 + ... + 5888912.
Almost surely, 2212000202 is an apocalyptic number.
212000202 is an abundant number, since it is smaller than the sum of its proper divisors (247333608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212000202 is a wasteful number, since it uses less digits than its factorization.
212000202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11777797 (or 11777794 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 212000202 is about 14560.2267152679. The cubic root of 212000202 is about 596.2733851567.
Adding to 212000202 its reverse (202000212), we get a palindrome (414000414).
The spelling of 212000202 in words is "two hundred twelve million, two hundred two", and thus it is an aban number.
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