Base | Representation |
---|---|
bin | 11100001110101111… |
… | …110110101010110000 |
3 | 2220020111202010211222 |
4 | 130032233312222300 |
5 | 444034410244114 |
6 | 21531503324212 |
7 | 2122110264362 |
oct | 341657665260 |
9 | 86214663758 |
10 | 30312196784 |
11 | 11945499101 |
12 | 5a5b5b0668 |
13 | 2b20c7361c |
14 | 1677ab4d32 |
15 | bc624698e |
hex | 70ebf6ab0 |
30312196784 has 20 divisors (see below), whose sum is σ = 58740296184. Its totient is φ = 15153410688.
The previous prime is 30312196781. The next prime is 30312196867. The reversal of 30312196784 is 48769121303.
It is not an unprimeable number, because it can be changed into a prime (30312196781) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73322 + ... + 256905.
Almost surely, 230312196784 is an apocalyptic number.
It is an amenable number.
30312196784 is a deficient number, since it is larger than the sum of its proper divisors (28428099400).
30312196784 is a wasteful number, since it uses less digits than its factorization.
30312196784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335972 (or 335966 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 44.
The spelling of 30312196784 in words is "thirty billion, three hundred twelve million, one hundred ninety-six thousand, seven hundred eighty-four".
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