Base | Representation |
---|---|
bin | 111111011111010… |
… | …0010100111000101 |
3 | 12111110120200000112 |
4 | 1332332202213011 |
5 | 13330330331114 |
6 | 551220122405 |
7 | 103535311610 |
oct | 17676424705 |
9 | 5443520015 |
10 | 2130323909 |
11 | 9a356a97a |
12 | 4b5536405 |
13 | 27c4773bc |
14 | 162d01177 |
15 | c705713e |
hex | 7efa29c5 |
2130323909 has 16 divisors (see below), whose sum is σ = 2564580480. Its totient is φ = 1728682560.
The previous prime is 2130323863. The next prime is 2130323953. The reversal of 2130323909 is 9093230312.
It is a cyclic number.
It is not a de Polignac number, because 2130323909 - 216 = 2130258373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130323969) 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 15 ways as a sum of consecutive naturals, for example, 220439 + ... + 229899.
It is an arithmetic number, because the mean of its divisors is an integer number (160286280).
Almost surely, 22130323909 is an apocalyptic number.
It is an amenable number.
2130323909 is a deficient number, since it is larger than the sum of its proper divisors (434256571).
2130323909 is a wasteful number, since it uses less digits than its factorization.
2130323909 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11180.
The product of its (nonzero) digits is 8748, while the sum is 32.
The square root of 2130323909 is about 46155.4320638427. The cubic root of 2130323909 is about 1286.7135681028.
The spelling of 2130323909 in words is "two billion, one hundred thirty million, three hundred twenty-three thousand, nine hundred nine".
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