Base | Representation |
---|---|
bin | 11000011100000100… |
… | …00001011010110011 |
3 | 1020212101011221212221 |
4 | 30032002001122303 |
5 | 203332300004021 |
6 | 10005525501511 |
7 | 643063551301 |
oct | 141602013263 |
9 | 36771157787 |
10 | 13120313011 |
11 | 56230903a3 |
12 | 2661b71897 |
13 | 13112a8230 |
14 | 8c6727271 |
15 | 51bcba241 |
hex | 30e0816b3 |
13120313011 has 16 divisors (see below), whose sum is σ = 14352569280. Its totient is φ = 11920487040.
The previous prime is 13120312957. The next prime is 13120313051. The reversal of 13120313011 is 11031302131.
It is a cyclic number.
It is not a de Polignac number, because 13120313011 - 27 = 13120312883 is a prime.
It is a super-2 number, since 2×131203130112 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13120313051) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554205 + ... + 577393.
It is an arithmetic number, because the mean of its divisors is an integer number (897035580).
Almost surely, 213120313011 is an apocalyptic number.
13120313011 is a deficient number, since it is larger than the sum of its proper divisors (1232256269).
13120313011 is a wasteful number, since it uses less digits than its factorization.
13120313011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23886.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 13120313011 its reverse (11031302131), we get a palindrome (24151615142).
The spelling of 13120313011 in words is "thirteen billion, one hundred twenty million, three hundred thirteen thousand, eleven".
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