Base | Representation |
---|---|
bin | 11000100101111011… |
… | …11101011001010000 |
3 | 1021002011000200222011 |
4 | 30102331331121100 |
5 | 204020000242112 |
6 | 10022044552304 |
7 | 645120534064 |
oct | 142275753120 |
9 | 37064020864 |
10 | 13203134032 |
11 | 5665909020 |
12 | 2685852694 |
13 | 13254b565a |
14 | 8d3725aa4 |
15 | 5241c9aa7 |
hex | 312f7d650 |
13203134032 has 80 divisors (see below), whose sum is σ = 28510175232. Its totient is φ = 5873010560.
The previous prime is 13203134023. The next prime is 13203134039. The reversal of 13203134032 is 23043130231.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 13203133994 and 13203134012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13203134039) 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, 1558833 + ... + 1567279.
Almost surely, 213203134032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13203134032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14255087616).
13203134032 is an abundant number, since it is smaller than the sum of its proper divisors (15307041200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13203134032 is a wasteful number, since it uses less digits than its factorization.
13203134032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8656 (or 8650 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 13203134032 its reverse (23043130231), we get a palindrome (36246264263).
The spelling of 13203134032 in words is "thirteen billion, two hundred three million, one hundred thirty-four thousand, thirty-two".
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