Base | Representation |
---|---|
bin | 1111100100111… |
… | …00101100101111 |
3 | 100002212111001012 |
4 | 13302130230233 |
5 | 231422242023 |
6 | 20544335435 |
7 | 3144431201 |
oct | 762345457 |
9 | 302774035 |
10 | 130665263 |
11 | 67836823 |
12 | 3791457b |
13 | 210bc531 |
14 | 134d4771 |
15 | b710978 |
hex | 7c9cb2f |
130665263 has 2 divisors, whose sum is σ = 130665264. Its totient is φ = 130665262.
The previous prime is 130665211. The next prime is 130665287. The reversal of 130665263 is 362566031.
It is a strong prime.
It is an emirp because it is prime and its reverse (362566031) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130665263 is a prime.
It is a super-3 number, since 3×1306652633 (a number of 25 digits) contains 333 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130665163) 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, 65332631 + 65332632.
It is an arithmetic number, because the mean of its divisors is an integer number (65332632).
Almost surely, 2130665263 is an apocalyptic number.
130665263 is a deficient number, since it is larger than the sum of its proper divisors (1).
130665263 is an equidigital number, since it uses as much as digits as its factorization.
130665263 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 19440, while the sum is 32.
The square root of 130665263 is about 11430.8907351964. The cubic root of 130665263 is about 507.4423570144.
The spelling of 130665263 in words is "one hundred thirty million, six hundred sixty-five thousand, two hundred sixty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •