Base | Representation |
---|---|
bin | 100001001111000011… |
… | …1101001110111101100 |
3 | 20211020001112122202200 |
4 | 1002132013221313230 |
5 | 2132132301031442 |
6 | 52442111421500 |
7 | 5104446253545 |
oct | 1023607516754 |
9 | 224201478680 |
10 | 71372283372 |
11 | 282a587a965 |
12 | 119ba524890 |
13 | 6965840550 |
14 | 3650d914cc |
15 | 1ccad2d34c |
hex | 109e1e9dec |
71372283372 has 72 divisors (see below), whose sum is σ = 194681214000. Its totient is φ = 21916621440.
The previous prime is 71372283343. The next prime is 71372283377. The reversal of 71372283372 is 27338227317.
It is not an unprimeable number, because it can be changed into a prime (71372283377) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80722 + ... + 386342.
It is an arithmetic number, because the mean of its divisors is an integer number (2703905750).
Almost surely, 271372283372 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 71372283372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97340607000).
71372283372 is an abundant number, since it is smaller than the sum of its proper divisors (123308930628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71372283372 is a wasteful number, since it uses less digits than its factorization.
71372283372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306143 (or 306138 counting only the distinct ones).
The product of its digits is 592704, while the sum is 45.
The spelling of 71372283372 in words is "seventy-one billion, three hundred seventy-two million, two hundred eighty-three thousand, three hundred seventy-two".
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