Base | Representation |
---|---|
bin | 111111011111010… |
… | …0001101110110111 |
3 | 12111110120111002021 |
4 | 1332332201232313 |
5 | 13330330222221 |
6 | 551220054011 |
7 | 103535265250 |
oct | 17676415667 |
9 | 5443514067 |
10 | 2130320311 |
11 | 9a35681a9 |
12 | 4b5534307 |
13 | 27c475882 |
14 | 162cddb27 |
15 | c7056041 |
hex | 7efa1bb7 |
2130320311 has 4 divisors (see below), whose sum is σ = 2434651792. Its totient is φ = 1825988832.
The previous prime is 2130320267. The next prime is 2130320327. The reversal of 2130320311 is 1130230312.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2130320311 - 223 = 2121931703 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130320011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152165730 + ... + 152165743.
It is an arithmetic number, because the mean of its divisors is an integer number (608662948).
Almost surely, 22130320311 is an apocalyptic number.
2130320311 is a deficient number, since it is larger than the sum of its proper divisors (304331481).
2130320311 is an equidigital number, since it uses as much as digits as its factorization.
2130320311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304331480.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 2130320311 is about 46155.3930868322. The cubic root of 2130320311 is about 1286.7128437062.
Adding to 2130320311 its reverse (1130230312), we get a palindrome (3260550623).
It can be divided in two parts, 21303 and 20311, that added together give a palindrome (41614).
The spelling of 2130320311 in words is "two billion, one hundred thirty million, three hundred twenty thousand, three hundred eleven".
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