Base | Representation |
---|---|
bin | 11100001110001001… |
… | …010101111011111000 |
3 | 2220012210202020100221 |
4 | 130032021111323320 |
5 | 444024314214430 |
6 | 21530503105424 |
7 | 2121625416325 |
oct | 341611257370 |
9 | 86183666327 |
10 | 30302101240 |
11 | 1193a823184 |
12 | 5a58142274 |
13 | 2b1bb4a428 |
14 | 1676607b4c |
15 | bc540057a |
hex | 70e255ef8 |
30302101240 has 32 divisors (see below), whose sum is σ = 69842651760. Its totient is φ = 11825209600.
The previous prime is 30302101237. The next prime is 30302101301. The reversal of 30302101240 is 4210120303.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9236806 + ... + 9240085.
Almost surely, 230302101240 is an apocalyptic number.
It is an amenable number.
30302101240 is an abundant number, since it is smaller than the sum of its proper divisors (39540550520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30302101240 is a wasteful number, since it uses less digits than its factorization.
30302101240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18476943 (or 18476939 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 30302101240 its reverse (4210120303), we get a palindrome (34512221543).
The spelling of 30302101240 in words is "thirty billion, three hundred two million, one hundred one thousand, two hundred forty".
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