Base | Representation |
---|---|
bin | 111100110110001000… |
… | …0100001010001110111 |
3 | 110111021021210102022121 |
4 | 1321230100201101313 |
5 | 4120100303220243 |
6 | 140005442340411 |
7 | 12304002425626 |
oct | 1715420412167 |
9 | 414237712277 |
10 | 130665288823 |
11 | 50462170503 |
12 | 213a765a707 |
13 | c42497c764 |
14 | 64779a96bd |
15 | 35eb47b1ed |
hex | 1e6c421477 |
130665288823 has 4 divisors (see below), whose sum is σ = 131226084288. Its totient is φ = 130104493360.
The previous prime is 130665288791. The next prime is 130665288833. The reversal of 130665288823 is 328882566031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 130665288823 - 25 = 130665288791 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130665288833) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280397383 + ... + 280397848.
It is an arithmetic number, because the mean of its divisors is an integer number (32806521072).
Almost surely, 2130665288823 is an apocalyptic number.
130665288823 is a deficient number, since it is larger than the sum of its proper divisors (560795465).
130665288823 is an equidigital number, since it uses as much as digits as its factorization.
130665288823 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 560795464.
The product of its (nonzero) digits is 3317760, while the sum is 52.
The spelling of 130665288823 in words is "one hundred thirty billion, six hundred sixty-five million, two hundred eighty-eight thousand, eight hundred twenty-three".
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