Base | Representation |
---|---|
bin | 11100001000111001… |
… | …101001110101011001 |
3 | 2212222200011102121012 |
4 | 130020321221311121 |
5 | 443334302233421 |
6 | 21514041023305 |
7 | 2116506426662 |
oct | 341071516531 |
9 | 85880142535 |
10 | 30214102361 |
11 | 118a5089333 |
12 | 5a32784b35 |
13 | 2b068492a1 |
14 | 1668a5c369 |
15 | bbc81b95b |
hex | 708e69d59 |
30214102361 has 2 divisors, whose sum is σ = 30214102362. Its totient is φ = 30214102360.
The previous prime is 30214102339. The next prime is 30214102367. The reversal of 30214102361 is 16320141203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29640787225 + 573315136 = 172165^2 + 23944^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30214102361 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (30214102367) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15107051180 + 15107051181.
It is an arithmetic number, because the mean of its divisors is an integer number (15107051181).
Almost surely, 230214102361 is an apocalyptic number.
It is an amenable number.
30214102361 is a deficient number, since it is larger than the sum of its proper divisors (1).
30214102361 is an equidigital number, since it uses as much as digits as its factorization.
30214102361 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 30214102361 its reverse (16320141203), we get a palindrome (46534243564).
The spelling of 30214102361 in words is "thirty billion, two hundred fourteen million, one hundred two thousand, three hundred sixty-one".
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