Base | Representation |
---|---|
bin | 100010101100011… |
… | …0011011110001001 |
3 | 10000010111221101210 |
4 | 1011120303132021 |
5 | 4341004131220 |
6 | 311303203333 |
7 | 40563641361 |
oct | 10530633611 |
9 | 3003457353 |
10 | 1164130185 |
11 | 548137269 |
12 | 285a46549 |
13 | 15724583a |
14 | b08739a1 |
15 | 6c3026e0 |
hex | 45633789 |
1164130185 has 32 divisors (see below), whose sum is σ = 1912458240. Its totient is φ = 604352448.
The previous prime is 1164130183. The next prime is 1164130207. The reversal of 1164130185 is 5810314611.
It is not a de Polignac number, because 1164130185 - 21 = 1164130183 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1164130183) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195076 + ... + 200954.
It is an arithmetic number, because the mean of its divisors is an integer number (59764320).
Almost surely, 21164130185 is an apocalyptic number.
1164130185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1164130185 is a deficient number, since it is larger than the sum of its proper divisors (748328055).
1164130185 is a wasteful number, since it uses less digits than its factorization.
1164130185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6237.
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 1164130185 is about 34119.3520600846. The cubic root of 1164130185 is about 1051.9631255538.
Adding to 1164130185 its reverse (5810314611), we get a palindrome (6974444796).
The spelling of 1164130185 in words is "one billion, one hundred sixty-four million, one hundred thirty thousand, one hundred eighty-five".
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