Base | Representation |
---|---|
bin | 11100001001111011… |
… | …010001000010101000 |
3 | 2220000212112021111102 |
4 | 130021323101002220 |
5 | 443403203133222 |
6 | 21515453420532 |
7 | 2120105554421 |
oct | 341173210250 |
9 | 86025467442 |
10 | 30231302312 |
11 | 11903866972 |
12 | 5a3849a748 |
13 | 2b0a28c083 |
14 | 166b058648 |
15 | bbe0b7d92 |
hex | 709ed10a8 |
30231302312 has 16 divisors (see below), whose sum is σ = 56685552000. Its totient is φ = 15115155120.
The previous prime is 30231302243. The next prime is 30231302323. The reversal of 30231302312 is 21320313203.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396137 + ... + 466247.
It is an arithmetic number, because the mean of its divisors is an integer number (3542847000).
Almost surely, 230231302312 is an apocalyptic number.
It is an amenable number.
30231302312 is a deficient number, since it is larger than the sum of its proper divisors (26454249688).
30231302312 is a wasteful number, since it uses less digits than its factorization.
30231302312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124016 (or 124012 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30231302312 its reverse (21320313203), we get a palindrome (51551615515).
The spelling of 30231302312 in words is "thirty billion, two hundred thirty-one million, three hundred two thousand, three hundred twelve".
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