Base | Representation |
---|---|
bin | 111111011111001… |
… | …1101000100011100 |
3 | 12111110112111212220 |
4 | 1332332131010130 |
5 | 13330324114322 |
6 | 551215425340 |
7 | 103535155464 |
oct | 17676350434 |
9 | 5443474786 |
10 | 2130301212 |
11 | 9a3554916 |
12 | 4b5525250 |
13 | 27c469c80 |
14 | 162cd6ba4 |
15 | c705055c |
hex | 7ef9d11c |
2130301212 has 96 divisors (see below), whose sum is σ = 5709715200. Its totient is φ = 612375552.
The previous prime is 2130301211. The next prime is 2130301213. The reversal of 2130301212 is 2121030312.
It is an interprime number because it is at equal distance from previous prime (2130301211) and next prime (2130301213).
It is a junction number, because it is equal to n+sod(n) for n = 2130301191 and 2130301200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130301211) 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 31 ways as a sum of consecutive naturals, for example, 365739 + ... + 371517.
It is an arithmetic number, because the mean of its divisors is an integer number (59476200).
Almost surely, 22130301212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2130301212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2854857600).
2130301212 is an abundant number, since it is smaller than the sum of its proper divisors (3579413988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130301212 is a wasteful number, since it uses less digits than its factorization.
2130301212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5955 (or 5953 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2130301212 is about 46155.1861874698. The cubic root of 2130301212 is about 1286.7089984313.
Adding to 2130301212 its reverse (2121030312), we get a palindrome (4251331524).
The spelling of 2130301212 in words is "two billion, one hundred thirty million, three hundred one thousand, two hundred twelve".
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