Base | Representation |
---|---|
bin | 100001101001110110… |
… | …1001110101001111111 |
3 | 20220112201020202011020 |
4 | 1003103231032221333 |
5 | 2141002424411243 |
6 | 53111225155223 |
7 | 5135644063554 |
oct | 1032355165177 |
9 | 226481222136 |
10 | 72271325823 |
11 | 28717308854 |
12 | 1200b62bb13 |
13 | 6a79b90128 |
14 | 36d853ca2b |
15 | 1d2ec1b283 |
hex | 10d3b4ea7f |
72271325823 has 8 divisors (see below), whose sum is σ = 96423822768. Its totient is φ = 48149856384.
The previous prime is 72271325809. The next prime is 72271325827. The reversal of 72271325823 is 32852317227.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72271325823 - 225 = 72237771391 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72271325827) 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, 7751440 + ... + 7760757.
It is an arithmetic number, because the mean of its divisors is an integer number (12052977846).
Almost surely, 272271325823 is an apocalyptic number.
72271325823 is a deficient number, since it is larger than the sum of its proper divisors (24152496945).
72271325823 is a wasteful number, since it uses less digits than its factorization.
72271325823 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15513753.
The product of its digits is 282240, while the sum is 42.
The spelling of 72271325823 in words is "seventy-two billion, two hundred seventy-one million, three hundred twenty-five thousand, eight hundred twenty-three".
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