Base | Representation |
---|---|
bin | 100110110010000… |
… | …0100111101011011 |
3 | 10100200122001022021 |
4 | 1031210010331123 |
5 | 10131113200011 |
6 | 333043235311 |
7 | 44150615452 |
oct | 11544047533 |
9 | 3320561267 |
10 | 1301303131 |
11 | 608608337 |
12 | 303978b37 |
13 | 1797a316b |
14 | c4b7db99 |
15 | 7939b471 |
hex | 4d904f5b |
1301303131 has 24 divisors (see below), whose sum is σ = 1454001120. Its totient is φ = 1162140672.
The previous prime is 1301303111. The next prime is 1301303153. The reversal of 1301303131 is 1313031031.
It is not a de Polignac number, because 1301303131 - 25 = 1301303099 is a prime.
It is a super-2 number, since 2×13013031312 = 3386779677500806322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1301303111) 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, 909925 + ... + 911353.
It is an arithmetic number, because the mean of its divisors is an integer number (60583380).
Almost surely, 21301303131 is an apocalyptic number.
1301303131 is a deficient number, since it is larger than the sum of its proper divisors (152697989).
1301303131 is a wasteful number, since it uses less digits than its factorization.
1301303131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1623 (or 1606 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 16.
The square root of 1301303131 is about 36073.5794037686. The cubic root of 1301303131 is about 1091.7574350985.
Adding to 1301303131 its reverse (1313031031), we get a palindrome (2614334162).
The spelling of 1301303131 in words is "one billion, three hundred one million, three hundred three thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.167 sec. • engine limits •