Base | Representation |
---|---|
bin | 111111111011100… |
… | …0001011101000000 |
3 | 12112111102220120112 |
4 | 1333313001131000 |
5 | 13343123132204 |
6 | 552505330452 |
7 | 104105210132 |
oct | 17767013500 |
9 | 5474386515 |
10 | 2145130304 |
11 | a00963169 |
12 | 4ba496a28 |
13 | 28255c895 |
14 | 164c77052 |
15 | c84ce26e |
hex | 7fdc1740 |
2145130304 has 28 divisors (see below), whose sum is σ = 4263444864. Its totient is φ = 1070876544.
The previous prime is 2145130303. The next prime is 2145130327. The reversal of 2145130304 is 4030315412.
It is a super-2 number, since 2×21451303042 = 9203168042278264832, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2145130304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2145130303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15089 + ... + 67215.
It is an arithmetic number, because the mean of its divisors is an integer number (152265888).
Almost surely, 22145130304 is an apocalyptic number.
It is an amenable number.
2145130304 is a deficient number, since it is larger than the sum of its proper divisors (2118314560).
2145130304 is an equidigital number, since it uses as much as digits as its factorization.
2145130304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52782 (or 52772 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 2145130304 is about 46315.5514271395. The cubic root of 2145130304 is about 1289.6877043837.
Adding to 2145130304 its reverse (4030315412), we get a palindrome (6175445716).
The spelling of 2145130304 in words is "two billion, one hundred forty-five million, one hundred thirty thousand, three hundred four".
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