Base | Representation |
---|---|
bin | 1011110111001010000110… |
… | …0011011011100101000000 |
3 | 1201011211021111211020100102 |
4 | 2331302201203123211000 |
5 | 3202140442132133212 |
6 | 43423303540141532 |
7 | 2514161434315550 |
oct | 275624143334500 |
9 | 51154244736312 |
10 | 13042231130432 |
11 | 41791a7510089 |
12 | 15678089978a8 |
13 | 737b5304b9aa |
14 | 331366a55160 |
15 | 1793d1e895c2 |
hex | bdca18db940 |
13042231130432 has 224 divisors, whose sum is σ = 31863893437440. Its totient is φ = 5169176248320.
The previous prime is 13042231130431. The next prime is 13042231130443. The reversal of 13042231130432 is 23403113224031.
It is a tau number, because it is divible by the number of its divisors (224).
It is a junction number, because it is equal to n+sod(n) for n = 13042231130395 and 13042231130404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13042231130431) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468743273 + ... + 468771095.
Almost surely, 213042231130432 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 13042231130432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15931946718720).
13042231130432 is an abundant number, since it is smaller than the sum of its proper divisors (18821662307008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13042231130432 is a wasteful number, since it uses less digits than its factorization.
13042231130432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28929 (or 28919 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 29.
Adding to 13042231130432 its reverse (23403113224031), we get a palindrome (36445344354463).
The spelling of 13042231130432 in words is "thirteen trillion, forty-two billion, two hundred thirty-one million, one hundred thirty thousand, four hundred thirty-two".
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