Base | Representation |
---|---|
bin | 11000111100111001… |
… | …11111010111011101 |
3 | 1021120120121001121112 |
4 | 30132130333113131 |
5 | 204413312133244 |
6 | 10053130511405 |
7 | 652650400553 |
oct | 143634772735 |
9 | 37516531545 |
10 | 13395817949 |
11 | 5754654328 |
12 | 271a295565 |
13 | 13563aa8c7 |
14 | 911161bd3 |
15 | 53608b39e |
hex | 31e73f5dd |
13395817949 has 8 divisors (see below), whose sum is σ = 13508621280. Its totient is φ = 13283249616.
The previous prime is 13395817937. The next prime is 13395817957. The reversal of 13395817949 is 94971859331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13395817949 - 212 = 13395813853 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 (13395817909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56687 + ... + 173219.
It is an arithmetic number, because the mean of its divisors is an integer number (1688577660).
Almost surely, 213395817949 is an apocalyptic number.
It is an amenable number.
13395817949 is a deficient number, since it is larger than the sum of its proper divisors (112803331).
13395817949 is a wasteful number, since it uses less digits than its factorization.
13395817949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117499.
The product of its digits is 7348320, while the sum is 59.
The spelling of 13395817949 in words is "thirteen billion, three hundred ninety-five million, eight hundred seventeen thousand, nine hundred forty-nine".
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