Base | Representation |
---|---|
bin | 1101011101110001011… |
… | …0000010001010000100 |
3 | 211010002210021010022202 |
4 | 3113130112002022010 |
5 | 12242230441431322 |
6 | 254134353214032 |
7 | 22466400545651 |
oct | 3273426021204 |
9 | 733083233282 |
10 | 231330030212 |
11 | 8a119853656 |
12 | 389bbb61318 |
13 | 18a78104ba8 |
14 | b2a7026c28 |
15 | 603dc21292 |
hex | 35dc582284 |
231330030212 has 24 divisors (see below), whose sum is σ = 451200990240. Its totient is φ = 103131653760.
The previous prime is 231330030199. The next prime is 231330030233. The reversal of 231330030212 is 212030033132.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89522714 + ... + 89525297.
It is an arithmetic number, because the mean of its divisors is an integer number (18800041260).
Almost surely, 2231330030212 is an apocalyptic number.
It is an amenable number.
231330030212 is a deficient number, since it is larger than the sum of its proper divisors (219870960028).
231330030212 is a wasteful number, since it uses less digits than its factorization.
231330030212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179048051 (or 179048049 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 231330030212 its reverse (212030033132), we get a palindrome (443360063344).
The spelling of 231330030212 in words is "two hundred thirty-one billion, three hundred thirty million, thirty thousand, two hundred twelve".
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