Base | Representation |
---|---|
bin | 11100101110101010… |
… | …110000110110110000 |
3 | 2221121211110012122212 |
4 | 130232222300312300 |
5 | 1001134004430133 |
6 | 22100553551252 |
7 | 2141302256060 |
oct | 345652606660 |
9 | 87554405585 |
10 | 30847733168 |
11 | 1209a81755a |
12 | 5b8aa15528 |
13 | 2ba7bbb665 |
14 | 16c8c7b3a0 |
15 | c0827e148 |
hex | 72eab0db0 |
30847733168 has 40 divisors (see below), whose sum is σ = 68315627520. Its totient is φ = 13218534720.
The previous prime is 30847733141. The next prime is 30847733171. The reversal of 30847733168 is 86133774803.
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, 972113 + ... + 1003343.
It is an arithmetic number, because the mean of its divisors is an integer number (1707890688).
Almost surely, 230847733168 is an apocalyptic number.
It is an amenable number.
30847733168 is an abundant number, since it is smaller than the sum of its proper divisors (37467894352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30847733168 is a wasteful number, since it uses less digits than its factorization.
30847733168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40065 (or 40059 counting only the distinct ones).
The product of its (nonzero) digits is 2032128, while the sum is 50.
The spelling of 30847733168 in words is "thirty billion, eight hundred forty-seven million, seven hundred thirty-three thousand, one hundred sixty-eight".
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