Base | Representation |
---|---|
bin | 11000001101101110… |
… | …11100110101011101 |
3 | 1020112222222120022010 |
4 | 30012313130311131 |
5 | 203111011214323 |
6 | 5545553141433 |
7 | 640104015501 |
oct | 140667346535 |
9 | 36488876263 |
10 | 13000101213 |
11 | 5571244500 |
12 | 262985a879 |
13 | 12c2408aa8 |
14 | 8b4794301 |
15 | 511471c93 |
hex | 306ddcd5d |
13000101213 has 24 divisors (see below), whose sum is σ = 19059380928. Its totient is φ = 7876000000.
The previous prime is 13000101181. The next prime is 13000101251. The reversal of 13000101213 is 31210100031.
It is not a de Polignac number, because 13000101213 - 25 = 13000101181 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13000101013) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1447888 + ... + 1456838.
It is an arithmetic number, because the mean of its divisors is an integer number (794140872).
Almost surely, 213000101213 is an apocalyptic number.
It is an amenable number.
13000101213 is a deficient number, since it is larger than the sum of its proper divisors (6059279715).
13000101213 is a wasteful number, since it uses less digits than its factorization.
13000101213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12977 (or 12966 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 13000101213 its reverse (31210100031), we get a palindrome (44210201244).
The spelling of 13000101213 in words is "thirteen billion, one hundred one thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •