Base | Representation |
---|---|
bin | 1111100101111… |
… | …10001001100111 |
3 | 100010010102222212 |
4 | 13302332021213 |
5 | 231441133104 |
6 | 20551314035 |
7 | 3145541516 |
oct | 762761147 |
9 | 303112885 |
10 | 130802279 |
11 | 6791a763 |
12 | 3797b91b |
13 | 211399ca |
14 | 1352c67d |
15 | b73b36e |
hex | 7cbe267 |
130802279 has 2 divisors, whose sum is σ = 130802280. Its totient is φ = 130802278.
The previous prime is 130802227. The next prime is 130802297. The reversal of 130802279 is 972208031.
Together with next prime (130802297) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130802279 - 212 = 130798183 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130802179) 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, 65401139 + 65401140.
It is an arithmetic number, because the mean of its divisors is an integer number (65401140).
Almost surely, 2130802279 is an apocalyptic number.
130802279 is a deficient number, since it is larger than the sum of its proper divisors (1).
130802279 is an equidigital number, since it uses as much as digits as its factorization.
130802279 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 130802279 is about 11436.8823986259. The cubic root of 130802279 is about 507.6196635972.
The spelling of 130802279 in words is "one hundred thirty million, eight hundred two thousand, two hundred seventy-nine".
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