Base | Representation |
---|---|
bin | 11100001111110100… |
… | …010001011101011000 |
3 | 2220021202111100202210 |
4 | 130033310101131120 |
5 | 444104003213222 |
6 | 21533343555120 |
7 | 2122415604504 |
oct | 341764213530 |
9 | 86252440683 |
10 | 30330132312 |
11 | 11954629357 |
12 | 5a655bbaa0 |
13 | 2b248b316c |
14 | 167a223304 |
15 | bc7adad0c |
hex | 70fd11758 |
30330132312 has 32 divisors (see below), whose sum is σ = 76561505280. Its totient is φ = 10011887520.
The previous prime is 30330132277. The next prime is 30330132319. The reversal of 30330132312 is 21323103303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30330132319) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6132264 + ... + 6137207.
It is an arithmetic number, because the mean of its divisors is an integer number (2392547040).
Almost surely, 230330132312 is an apocalyptic number.
It is an amenable number.
30330132312 is an abundant number, since it is smaller than the sum of its proper divisors (46231372968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30330132312 is a wasteful number, since it uses less digits than its factorization.
30330132312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12269583 (or 12269579 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30330132312 its reverse (21323103303), we get a palindrome (51653235615).
The spelling of 30330132312 in words is "thirty billion, three hundred thirty million, one hundred thirty-two thousand, three hundred twelve".
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