Base | Representation |
---|---|
bin | 100001111010011101… |
… | …0010100010100101111 |
3 | 20221222112111022011210 |
4 | 1003310322110110233 |
5 | 2143123032430124 |
6 | 53242405245503 |
7 | 5155520141325 |
oct | 1036472242457 |
9 | 227875438153 |
10 | 72828405039 |
11 | 289828106a5 |
12 | 12146103893 |
13 | 6b3840b8c0 |
14 | 374c511d15 |
15 | 1d63aaba29 |
hex | 10f4e9452f |
72828405039 has 16 divisors (see below), whose sum is σ = 109120822272. Its totient is φ = 42868893408.
The previous prime is 72828405011. The next prime is 72828405049. The reversal of 72828405039 is 93050482827.
It is not a de Polignac number, because 72828405039 - 211 = 72828402991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72828405049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40594647 + ... + 40596440.
It is an arithmetic number, because the mean of its divisors is an integer number (6820051392).
Almost surely, 272828405039 is an apocalyptic number.
72828405039 is a deficient number, since it is larger than the sum of its proper divisors (36292417233).
72828405039 is a wasteful number, since it uses less digits than its factorization.
72828405039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81191126.
The product of its (nonzero) digits is 967680, while the sum is 48.
The spelling of 72828405039 in words is "seventy-two billion, eight hundred twenty-eight million, four hundred five thousand, thirty-nine".
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