Base | Representation |
---|---|
bin | 11001001101011101… |
… | …11001001000101011 |
3 | 1021221020222110101220 |
4 | 30212232321020223 |
5 | 210204342304442 |
6 | 10115012113123 |
7 | 656255203401 |
oct | 144656711053 |
9 | 37836873356 |
10 | 13534728747 |
11 | 5816002041 |
12 | 27589057a3 |
13 | 13790c6247 |
14 | 9257a1471 |
15 | 543379eec |
hex | 326bb922b |
13534728747 has 8 divisors (see below), whose sum is σ = 18050073744. Its totient is φ = 9021268128.
The previous prime is 13534728731. The next prime is 13534728811. The reversal of 13534728747 is 74782743531.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13534728747 - 24 = 13534728731 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 13534728747.
It is not an unprimeable number, because it can be changed into a prime (13534728047) 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, 454248 + ... + 483125.
It is an arithmetic number, because the mean of its divisors is an integer number (2256259218).
Almost surely, 213534728747 is an apocalyptic number.
13534728747 is a deficient number, since it is larger than the sum of its proper divisors (4515344997).
13534728747 is an equidigital number, since it uses as much as digits as its factorization.
13534728747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 942189.
The product of its digits is 3951360, while the sum is 51.
The spelling of 13534728747 in words is "thirteen billion, five hundred thirty-four million, seven hundred twenty-eight thousand, seven hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •