Base | Representation |
---|---|
bin | 11000010101100000… |
… | …01000001011001011 |
3 | 1020201112122112010001 |
4 | 30022300020023023 |
5 | 203224203243233 |
6 | 10000242303431 |
7 | 641525064532 |
oct | 141260101313 |
9 | 36645575101 |
10 | 13065290443 |
11 | 55a501a0a7 |
12 | 2647657b77 |
13 | 1302a819ba |
14 | 8bd2c3319 |
15 | 51704c27d |
hex | 30ac082cb |
13065290443 has 4 divisors (see below), whose sum is σ = 13065594520. Its totient is φ = 13064986368.
The previous prime is 13065290431. The next prime is 13065290477. The reversal of 13065290443 is 34409256031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34409256031 = 31 ⋅1109976001.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13065290443 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13065230443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74358 + ... + 177931.
It is an arithmetic number, because the mean of its divisors is an integer number (3266398630).
Almost surely, 213065290443 is an apocalyptic number.
13065290443 is a deficient number, since it is larger than the sum of its proper divisors (304077).
13065290443 is an equidigital number, since it uses as much as digits as its factorization.
13065290443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 304076.
The product of its (nonzero) digits is 77760, while the sum is 37.
The spelling of 13065290443 in words is "thirteen billion, sixty-five million, two hundred ninety thousand, four hundred forty-three".
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