Base | Representation |
---|---|
bin | 11100010111100111… |
… | …111000000010111001 |
3 | 2220121212221012221221 |
4 | 130113213320002321 |
5 | 444341020201332 |
6 | 21554343032041 |
7 | 2125566036232 |
oct | 342747700271 |
9 | 86555835857 |
10 | 30461100217 |
11 | 11a11551499 |
12 | 5aa143b621 |
13 | 2b45a7a372 |
14 | 168d796089 |
15 | bd435b297 |
hex | 7179f80b9 |
30461100217 has 16 divisors (see below), whose sum is σ = 31223117520. Its totient is φ = 29710467072.
The previous prime is 30461100209. The next prime is 30461100221. The reversal of 30461100217 is 71200116403.
It can be written as a sum of positive squares in 8 ways, for example, as 11868141481 + 18592958736 = 108941^2 + 136356^2 .
It is a cyclic number.
It is not a de Polignac number, because 30461100217 - 23 = 30461100209 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30461100191 and 30461100200.
It is not an unprimeable number, because it can be changed into a prime (30461110217) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 2696493 + ... + 2707765.
It is an arithmetic number, because the mean of its divisors is an integer number (1951444845).
Almost surely, 230461100217 is an apocalyptic number.
It is an amenable number.
30461100217 is a deficient number, since it is larger than the sum of its proper divisors (762017303).
30461100217 is a wasteful number, since it uses less digits than its factorization.
30461100217 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11772.
The product of its (nonzero) digits is 1008, while the sum is 25.
The spelling of 30461100217 in words is "thirty billion, four hundred sixty-one million, one hundred thousand, two hundred seventeen".
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