Base | Representation |
---|---|
bin | 11001010011010… |
… | …00011100000010 |
3 | 112210100220201120 |
4 | 30221220130002 |
5 | 413313141010 |
6 | 33021013110 |
7 | 5155003614 |
oct | 1451503402 |
9 | 483326646 |
10 | 212240130 |
11 | a9893173 |
12 | 5b0b4196 |
13 | 34c8169b |
14 | 2028adb4 |
15 | 13975e70 |
hex | ca68702 |
212240130 has 32 divisors (see below), whose sum is σ = 515519424. Its totient is φ = 55914816.
The previous prime is 212240101. The next prime is 212240141. The reversal of 212240130 is 31042212.
212240130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40129 + ... + 45108.
It is an arithmetic number, because the mean of its divisors is an integer number (16109982).
Almost surely, 2212240130 is an apocalyptic number.
212240130 is an abundant number, since it is smaller than the sum of its proper divisors (303279294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212240130 is a wasteful number, since it uses less digits than its factorization.
212240130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85330.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 212240130 is about 14568.4635428723. The cubic root of 212240130 is about 596.4982414597.
Adding to 212240130 its reverse (31042212), we get a palindrome (243282342).
The spelling of 212240130 in words is "two hundred twelve million, two hundred forty thousand, one hundred thirty".
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