Base | Representation |
---|---|
bin | 111111011111000… |
… | …0100101001111100 |
3 | 12111110100102201012 |
4 | 1332332010221330 |
5 | 13330312414322 |
6 | 551213334352 |
7 | 103534261106 |
oct | 17676045174 |
9 | 5443312635 |
10 | 2130201212 |
11 | 9a3496777 |
12 | 4b54973b8 |
13 | 27c4335b9 |
14 | 162cac576 |
15 | c7030ae2 |
hex | 7ef84a7c |
2130201212 has 12 divisors (see below), whose sum is σ = 3889932816. Its totient is φ = 1018791840.
The previous prime is 2130201211. The next prime is 2130201217. The reversal of 2130201212 is 2121020312.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130201211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11577089 + ... + 11577272.
It is an arithmetic number, because the mean of its divisors is an integer number (324161068).
Almost surely, 22130201212 is an apocalyptic number.
It is an amenable number.
2130201212 is a deficient number, since it is larger than the sum of its proper divisors (1759731604).
2130201212 is a wasteful number, since it uses less digits than its factorization.
2130201212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23154388 (or 23154386 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2130201212 is about 46154.1028728758. The cubic root of 2130201212 is about 1286.6888646723.
Adding to 2130201212 its reverse (2121020312), we get a palindrome (4251221524).
Subtracting from 2130201212 its reverse (2121020312), we obtain a square (9180900 = 30302).
The spelling of 2130201212 in words is "two billion, one hundred thirty million, two hundred one thousand, two hundred twelve".
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