Base | Representation |
---|---|
bin | 11000010000011110… |
… | …01100000110001000 |
3 | 1020121121021002111221 |
4 | 30020033030012020 |
5 | 203132403220240 |
6 | 5552134131424 |
7 | 640503351265 |
oct | 141017140610 |
9 | 36547232457 |
10 | 13023101320 |
11 | 5583223859 |
12 | 26354b0b74 |
13 | 12c70cc918 |
14 | 8b786026c |
15 | 5134b6a4a |
hex | 3083cc188 |
13023101320 has 64 divisors (see below), whose sum is σ = 29438478000. Its totient is φ = 5185044480.
The previous prime is 13023101317. The next prime is 13023101321. The reversal of 13023101320 is 2310132031.
It can be written as a sum of positive squares in 8 ways, for example, as 6911927044 + 6111174276 = 83138^2 + 78174^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13023101294 and 13023101303.
It is not an unprimeable number, because it can be changed into a prime (13023101321) 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, 11871012 + ... + 11872108.
Almost surely, 213023101320 is an apocalyptic number.
13023101320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13023101320 is an abundant number, since it is smaller than the sum of its proper divisors (16415376680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13023101320 is a wasteful number, since it uses less digits than its factorization.
13023101320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2218 (or 2214 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 13023101320 its reverse (2310132031), we get a palindrome (15333233351).
The spelling of 13023101320 in words is "thirteen billion, twenty-three million, one hundred one thousand, three hundred twenty".
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