Base | Representation |
---|---|
bin | 11100001000001000… |
… | …110111011111000001 |
3 | 2212221210002200012012 |
4 | 130020020313133001 |
5 | 443323014010332 |
6 | 21512502542305 |
7 | 2116262632565 |
oct | 341010673701 |
9 | 85853080165 |
10 | 30201313217 |
11 | 11898943699 |
12 | 5a2a437995 |
13 | 2b03cbc04a |
14 | 166708d6a5 |
15 | bbb6423b2 |
hex | 7082377c1 |
30201313217 has 2 divisors, whose sum is σ = 30201313218. Its totient is φ = 30201313216.
The previous prime is 30201313213. The next prime is 30201313243. The reversal of 30201313217 is 71231310203.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22935285136 + 7266028081 = 151444^2 + 85241^2 .
It is an emirp because it is prime and its reverse (71231310203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30201313217 - 22 = 30201313213 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30201313192 and 30201313201.
It is not a weakly prime, because it can be changed into another prime (30201313213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100656608 + 15100656609.
It is an arithmetic number, because the mean of its divisors is an integer number (15100656609).
Almost surely, 230201313217 is an apocalyptic number.
It is an amenable number.
30201313217 is a deficient number, since it is larger than the sum of its proper divisors (1).
30201313217 is an equidigital number, since it uses as much as digits as its factorization.
30201313217 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 756, while the sum is 23.
The spelling of 30201313217 in words is "thirty billion, two hundred one million, three hundred thirteen thousand, two hundred seventeen".
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