Base | Representation |
---|---|
bin | 11000010000011111… |
… | …00100011100100101 |
3 | 1020121121110011100001 |
4 | 30020033210130211 |
5 | 203132414413221 |
6 | 5552140221301 |
7 | 640504245133 |
oct | 141017443445 |
9 | 36547404301 |
10 | 13023201061 |
11 | 5583291792 |
12 | 263553a831 |
13 | 12c7136140 |
14 | 8b7888753 |
15 | 5134d6391 |
hex | 3083e4725 |
13023201061 has 4 divisors (see below), whose sum is σ = 14024985772. Its totient is φ = 12021416352.
The previous prime is 13023201017. The next prime is 13023201073. The reversal of 13023201061 is 16010232031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16010232031 = 73 ⋅219318247.
It can be written as a sum of positive squares in 2 ways, for example, as 1513988100 + 11509212961 = 38910^2 + 107281^2 .
It is a cyclic number.
It is not a de Polignac number, because 13023201061 - 219 = 13022676773 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13023201461) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500892336 + ... + 500892361.
It is an arithmetic number, because the mean of its divisors is an integer number (3506246443).
Almost surely, 213023201061 is an apocalyptic number.
It is an amenable number.
13023201061 is a deficient number, since it is larger than the sum of its proper divisors (1001784711).
13023201061 is a wasteful number, since it uses less digits than its factorization.
13023201061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1001784710.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 13023201061 its reverse (16010232031), we get a palindrome (29033433092).
The spelling of 13023201061 in words is "thirteen billion, twenty-three million, two hundred one thousand, sixty-one".
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