Base | Representation |
---|---|
bin | 11000011110111010… |
… | …11111000011110001 |
3 | 1020221001022002110211 |
4 | 30033131133003301 |
5 | 203404414231041 |
6 | 10012143424121 |
7 | 643504421536 |
oct | 141735370361 |
9 | 36831262424 |
10 | 13144289521 |
11 | 56356772a0 |
12 | 2669bb5041 |
13 | 131625160c |
14 | 8c99a8d8d |
15 | 51de54481 |
hex | 30f75f0f1 |
13144289521 has 8 divisors (see below), whose sum is σ = 14407185888. Its totient is φ = 11892720000.
The previous prime is 13144289467. The next prime is 13144289531. The reversal of 13144289521 is 12598244131.
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 13144289521 - 211 = 13144287473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13144289531) 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, 2829280 + ... + 2833921.
It is an arithmetic number, because the mean of its divisors is an integer number (1800898236).
Almost surely, 213144289521 is an apocalyptic number.
13144289521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13144289521 is a deficient number, since it is larger than the sum of its proper divisors (1262896367).
13144289521 is a wasteful number, since it uses less digits than its factorization.
13144289521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5663423.
The product of its digits is 69120, while the sum is 40.
The spelling of 13144289521 in words is "thirteen billion, one hundred forty-four million, two hundred eighty-nine thousand, five hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.100 sec. • engine limits •