Base | Representation |
---|---|
bin | 11000011010000000… |
… | …00110001011011011 |
3 | 1020211011122221102120 |
4 | 30031000012023123 |
5 | 203313333443003 |
6 | 10004111232323 |
7 | 642463632366 |
oct | 141500061333 |
9 | 36734587376 |
10 | 13103031003 |
11 | 5614357147 |
12 | 26582186a3 |
13 | 130a836caa |
14 | 8c43090dd |
15 | 51a504853 |
hex | 30d0062db |
13103031003 has 8 divisors (see below), whose sum is σ = 17553508416. Its totient is φ = 8693953800.
The previous prime is 13103030951. The next prime is 13103031059. The reversal of 13103031003 is 30013030131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13103031003 - 29 = 13103030491 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13103031083) 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, 10349313 + ... + 10350578.
It is an arithmetic number, because the mean of its divisors is an integer number (2194188552).
Almost surely, 213103031003 is an apocalyptic number.
13103031003 is a deficient number, since it is larger than the sum of its proper divisors (4450477413).
13103031003 is a wasteful number, since it uses less digits than its factorization.
13103031003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20700105.
The product of its (nonzero) digits is 81, while the sum is 15.
Adding to 13103031003 its reverse (30013030131), we get a palindrome (43116061134).
The spelling of 13103031003 in words is "thirteen billion, one hundred three million, thirty-one thousand, three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •