Base | Representation |
---|---|
bin | 110000010011111… |
… | …011010011101110 |
3 | 2002111011012011202 |
4 | 300103323103232 |
5 | 3124443430110 |
6 | 212232245502 |
7 | 26041251212 |
oct | 6023732356 |
9 | 2074135152 |
10 | 810530030 |
11 | 386583232 |
12 | 1a7540892 |
13 | cbbcba8b |
14 | 7990a942 |
15 | 4b2570a5 |
hex | 304fb4ee |
810530030 has 16 divisors (see below), whose sum is σ = 1506017664. Its totient is φ = 313753440.
The previous prime is 810530011. The next prime is 810530057. The reversal of 810530030 is 30035018.
It is a junction number, because it is equal to n+sod(n) for n = 810529984 and 810530011.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1306997 + ... + 1307616.
It is an arithmetic number, because the mean of its divisors is an integer number (94126104).
Almost surely, 2810530030 is an apocalyptic number.
810530030 is a deficient number, since it is larger than the sum of its proper divisors (695487634).
810530030 is a wasteful number, since it uses less digits than its factorization.
810530030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2614651.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 810530030 is about 28469.8090966554. The cubic root of 810530030 is about 932.3730317058.
Adding to 810530030 its reverse (30035018), we get a palindrome (840565048).
The spelling of 810530030 in words is "eight hundred ten million, five hundred thirty thousand, thirty".
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