Base | Representation |
---|---|
bin | 100001110000010100… |
… | …0111000000010101011 |
3 | 20221002211111120220020 |
4 | 1003200220320002223 |
5 | 2141424000212202 |
6 | 53144535331523 |
7 | 5144220166602 |
oct | 1034050700253 |
9 | 227084446806 |
10 | 72488288427 |
11 | 28818826a95 |
12 | 12070220ba3 |
13 | 6ab2b06179 |
14 | 3719298a39 |
15 | 1d43cc65bc |
hex | 10e0a380ab |
72488288427 has 8 divisors (see below), whose sum is σ = 96924851664. Its totient is φ = 48188625408.
The previous prime is 72488288419. The next prime is 72488288441.
72488288427 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72488288427 - 23 = 72488288419 is a prime.
It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (72488288027) 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, 34223818 + ... + 34225935.
It is an arithmetic number, because the mean of its divisors is an integer number (12115606458).
Almost surely, 272488288427 is an apocalyptic number.
72488288427 is a deficient number, since it is larger than the sum of its proper divisors (24436563237).
72488288427 is a wasteful number, since it uses less digits than its factorization.
72488288427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68450109.
The product of its digits is 25690112, while the sum is 60.
The spelling of 72488288427 in words is "seventy-two billion, four hundred eighty-eight million, two hundred eighty-eight thousand, four hundred twenty-seven".
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