Base | Representation |
---|---|
bin | 11000110000010110… |
… | …00111101101100111 |
3 | 1021022020100211201210 |
4 | 30120023013231213 |
5 | 204204330021442 |
6 | 10034444522503 |
7 | 650231063445 |
oct | 143013075547 |
9 | 37266324653 |
10 | 13290470247 |
11 | 570014000a |
12 | 26aab50433 |
13 | 133a613ca2 |
14 | 90117bb95 |
15 | 52bbcc19c |
hex | 3182c7b67 |
13290470247 has 8 divisors (see below), whose sum is σ = 17754511744. Its totient is φ = 8843371128.
The previous prime is 13290470243. The next prime is 13290470269. The reversal of 13290470247 is 74207409231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13290470247 - 22 = 13290470243 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 (13290470243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4233763 + ... + 4236900.
It is an arithmetic number, because the mean of its divisors is an integer number (2219313968).
Almost surely, 213290470247 is an apocalyptic number.
13290470247 is a deficient number, since it is larger than the sum of its proper divisors (4464041497).
13290470247 is an equidigital number, since it uses as much as digits as its factorization.
13290470247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8471189.
The product of its (nonzero) digits is 84672, while the sum is 39.
Adding to 13290470247 its reverse (74207409231), we get a palindrome (87497879478).
The spelling of 13290470247 in words is "thirteen billion, two hundred ninety million, four hundred seventy thousand, two hundred forty-seven".
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