Base | Representation |
---|---|
bin | 11000001111010011… |
… | …00100100110110010 |
3 | 1020120220201002122211 |
4 | 30013221210212302 |
5 | 203122342141432 |
6 | 5551142522334 |
7 | 640323500632 |
oct | 140751444662 |
9 | 36526632584 |
10 | 13013240242 |
11 | 55786a9002 |
12 | 26321363aa |
13 | 12c5059372 |
14 | 8b64146c2 |
15 | 5126b9d47 |
hex | 307a649b2 |
13013240242 has 24 divisors (see below), whose sum is σ = 20880067824. Its totient is φ = 6078964584.
The previous prime is 13013240237. The next prime is 13013240297. The reversal of 13013240242 is 24204231031.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97528 + ... + 188515.
It is an arithmetic number, because the mean of its divisors is an integer number (870002826).
Almost surely, 213013240242 is an apocalyptic number.
13013240242 is a deficient number, since it is larger than the sum of its proper divisors (7866827582).
13013240242 is a wasteful number, since it uses less digits than its factorization.
13013240242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286134 (or 286111 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 13013240242 its reverse (24204231031), we get a palindrome (37217471273).
The spelling of 13013240242 in words is "thirteen billion, thirteen million, two hundred forty thousand, two hundred forty-two".
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