Base | Representation |
---|---|
bin | 11100001000000011… |
… | …110110111011000101 |
3 | 2212221200121222001211 |
4 | 130020003312323011 |
5 | 443322200001242 |
6 | 21512414451421 |
7 | 2116245523543 |
oct | 341003667305 |
9 | 85850558054 |
10 | 30200000197 |
11 | 11898127154 |
12 | 5a29b03b71 |
13 | 2b0394c503 |
14 | 1666c2ad93 |
15 | bbb483317 |
hex | 7080f6ec5 |
30200000197 has 2 divisors, whose sum is σ = 30200000198. Its totient is φ = 30200000196.
The previous prime is 30200000191. The next prime is 30200000219. The reversal of 30200000197 is 79100000203.
It is an a-pointer prime, because the next prime (30200000219) can be obtained adding 30200000197 to its sum of digits (22).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 24827989761 + 5372010436 = 157569^2 + 73294^2 .
It is a cyclic number.
It is not a de Polignac number, because 30200000197 - 219 = 30199475909 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30200000191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100000098 + 15100000099.
It is an arithmetic number, because the mean of its divisors is an integer number (15100000099).
Almost surely, 230200000197 is an apocalyptic number.
It is an amenable number.
30200000197 is a deficient number, since it is larger than the sum of its proper divisors (1).
30200000197 is an equidigital number, since it uses as much as digits as its factorization.
30200000197 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 378, while the sum is 22.
The spelling of 30200000197 in words is "thirty billion, two hundred million, one hundred ninety-seven", and thus it is an aban number.
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