Base | Representation |
---|---|
bin | 11001011010111111… |
… | …11010111010100101 |
3 | 1022020011120122120221 |
4 | 30231133322322211 |
5 | 210422422310024 |
6 | 10134145124341 |
7 | 662134106653 |
oct | 145537727245 |
9 | 38204518527 |
10 | 13648244389 |
11 | 587409501a |
12 | 278a9296b1 |
13 | 139678c870 |
14 | 9368addd3 |
15 | 54d2ee3e4 |
hex | 32d7faea5 |
13648244389 has 8 divisors (see below), whose sum is σ = 14699043072. Its totient is φ = 12597579120.
The previous prime is 13648244387. The next prime is 13648244399. The reversal of 13648244389 is 98344284631.
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 13648244389 - 21 = 13648244387 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 (13648244387) 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, 310404 + ... + 351634.
It is an arithmetic number, because the mean of its divisors is an integer number (1837380384).
Almost surely, 213648244389 is an apocalyptic number.
It is an amenable number.
13648244389 is a deficient number, since it is larger than the sum of its proper divisors (1050798683).
13648244389 is a wasteful number, since it uses less digits than its factorization.
13648244389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66707.
The product of its digits is 3981312, while the sum is 52.
The spelling of 13648244389 in words is "thirteen billion, six hundred forty-eight million, two hundred forty-four thousand, three hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •