Base | Representation |
---|---|
bin | 111111011111000… |
… | …1111101001000101 |
3 | 12111110102201102220 |
4 | 1332332033221011 |
5 | 13330320334323 |
6 | 551214322553 |
7 | 103534536234 |
oct | 17676175105 |
9 | 5443381386 |
10 | 2130246213 |
11 | 9a3517567 |
12 | 4b54b9459 |
13 | 27c44ac24 |
14 | 162cc0b1b |
15 | c703e0e3 |
hex | 7ef8fa45 |
2130246213 has 8 divisors (see below), whose sum is σ = 2841912576. Its totient is φ = 1419372000.
The previous prime is 2130246203. The next prime is 2130246221. The reversal of 2130246213 is 3126420312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2130246213 - 210 = 2130245189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130246203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191733 + ... + 202538.
It is an arithmetic number, because the mean of its divisors is an integer number (355239072).
Almost surely, 22130246213 is an apocalyptic number.
It is an amenable number.
2130246213 is a deficient number, since it is larger than the sum of its proper divisors (711666363).
2130246213 is a wasteful number, since it uses less digits than its factorization.
2130246213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 396075.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 2130246213 is about 46154.5903784228. The cubic root of 2130246213 is about 1286.6979251432.
Adding to 2130246213 its reverse (3126420312), we get a palindrome (5256666525).
The spelling of 2130246213 in words is "two billion, one hundred thirty million, two hundred forty-six thousand, two hundred thirteen".
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