Base | Representation |
---|---|
bin | 100001101101100000… |
… | …0100000110011000110 |
3 | 20220212020202011110210 |
4 | 1003123000200303012 |
5 | 2141230304241012 |
6 | 53131322500250 |
7 | 5141662220511 |
oct | 1033300406306 |
9 | 226766664423 |
10 | 72393821382 |
11 | 2877a474553 |
12 | 12044664686 |
13 | 6a9937bbcc |
14 | 370a907d78 |
15 | 1d3a86623c |
hex | 10db020cc6 |
72393821382 has 16 divisors (see below), whose sum is σ = 144790321392. Its totient is φ = 24130827360.
The previous prime is 72393821371. The next prime is 72393821387. The reversal of 72393821382 is 28312839327.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72393821387) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485332 + ... + 616712.
It is an arithmetic number, because the mean of its divisors is an integer number (9049395087).
Almost surely, 272393821382 is an apocalyptic number.
72393821382 is an abundant number, since it is smaller than the sum of its proper divisors (72396500010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72393821382 is a wasteful number, since it uses less digits than its factorization.
72393821382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223223.
The product of its digits is 870912, while the sum is 48.
The spelling of 72393821382 in words is "seventy-two billion, three hundred ninety-three million, eight hundred twenty-one thousand, three hundred eighty-two".
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