Base | Representation |
---|---|
bin | 1111100101101… |
… | …01110101110111 |
3 | 100010001201022102 |
4 | 13302311311313 |
5 | 231434040442 |
6 | 20550452315 |
7 | 3145340351 |
oct | 762656567 |
9 | 303051272 |
10 | 130768247 |
11 | 678a7135 |
12 | 3796409b |
13 | 2112737c |
14 | 135200d1 |
15 | b731232 |
hex | 7cb5d77 |
130768247 has 2 divisors, whose sum is σ = 130768248. Its totient is φ = 130768246.
The previous prime is 130768223. The next prime is 130768259. The reversal of 130768247 is 742867031.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130768247 - 210 = 130767223 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130768247.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130768207) 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 as a sum of consecutive naturals, namely, 65384123 + 65384124.
It is an arithmetic number, because the mean of its divisors is an integer number (65384124).
Almost surely, 2130768247 is an apocalyptic number.
130768247 is a deficient number, since it is larger than the sum of its proper divisors (1).
130768247 is an equidigital number, since it uses as much as digits as its factorization.
130768247 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56448, while the sum is 38.
The square root of 130768247 is about 11435.3944837946. The cubic root of 130768247 is about 507.5756357944.
The spelling of 130768247 in words is "one hundred thirty million, seven hundred sixty-eight thousand, two hundred forty-seven".
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