Base | Representation |
---|---|
bin | 11000011100000100… |
… | …00000110010110011 |
3 | 1020212101011211101010 |
4 | 30032002000302303 |
5 | 203332244413301 |
6 | 10005525442003 |
7 | 643063540653 |
oct | 141602006263 |
9 | 36771154333 |
10 | 13120310451 |
11 | 5623089486 |
12 | 2661b70303 |
13 | 13112a7011 |
14 | 8c6726363 |
15 | 51bcb95d6 |
hex | 30e080cb3 |
13120310451 has 16 divisors (see below), whose sum is σ = 18061129728. Its totient is φ = 8463278400.
The previous prime is 13120310449. The next prime is 13120310459. The reversal of 13120310451 is 15401302131.
It is not a de Polignac number, because 13120310451 - 21 = 13120310449 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13120310459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959575 + ... + 973151.
It is an arithmetic number, because the mean of its divisors is an integer number (1128820608).
Almost surely, 213120310451 is an apocalyptic number.
13120310451 is a deficient number, since it is larger than the sum of its proper divisors (4940819277).
13120310451 is a wasteful number, since it uses less digits than its factorization.
13120310451 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24002.
The product of its (nonzero) digits is 360, while the sum is 21.
Adding to 13120310451 its reverse (15401302131), we get a palindrome (28521612582).
The spelling of 13120310451 in words is "thirteen billion, one hundred twenty million, three hundred ten thousand, four hundred fifty-one".
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