Base | Representation |
---|---|
bin | 11000001111001001… |
… | …11101111011010000 |
3 | 1020120211102202221202 |
4 | 30013210331323100 |
5 | 203122040030412 |
6 | 5551101010332 |
7 | 640310312642 |
oct | 140744757320 |
9 | 36524382852 |
10 | 13012033232 |
11 | 5577a54180 |
12 | 26318539a8 |
13 | 12c4a25b63 |
14 | 8b61bc892 |
15 | 51252c3c2 |
hex | 30793ded0 |
13012033232 has 80 divisors (see below), whose sum is σ = 28196106048. Its totient is φ = 5765975040.
The previous prime is 13012033231. The next prime is 13012033241. The reversal of 13012033232 is 23233021031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13012033231) 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, 4940588 + ... + 4943220.
Almost surely, 213012033232 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 13012033232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14098053024).
13012033232 is an abundant number, since it is smaller than the sum of its proper divisors (15184072816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13012033232 is a wasteful number, since it uses less digits than its factorization.
13012033232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3348 (or 3342 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 13012033232 its reverse (23233021031), we get a palindrome (36245054263).
The spelling of 13012033232 in words is "thirteen billion, twelve million, thirty-three thousand, two hundred thirty-two".
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