Base | Representation |
---|---|
bin | 100001111111001111… |
… | …1111011100000111111 |
3 | 20222101202011120110222 |
4 | 1003332133323200333 |
5 | 2143440222303324 |
6 | 53310353051555 |
7 | 5162512320626 |
oct | 1037637734077 |
9 | 228352146428 |
10 | 72989259839 |
11 | 28a55597251 |
12 | 1218bb56bbb |
13 | 6b6283b462 |
14 | 3765a246bd |
15 | 1d72c8255e |
hex | 10fe7fb83f |
72989259839 has 16 divisors (see below), whose sum is σ = 74024595456. Its totient is φ = 71960724000.
The previous prime is 72989259793. The next prime is 72989259869. The reversal of 72989259839 is 93895298927.
It is a cyclic number.
It is not a de Polignac number, because 72989259839 - 212 = 72989255743 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72989259869) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36732404 + ... + 36734390.
It is an arithmetic number, because the mean of its divisors is an integer number (4626537216).
Almost surely, 272989259839 is an apocalyptic number.
72989259839 is a deficient number, since it is larger than the sum of its proper divisors (1035335617).
72989259839 is a wasteful number, since it uses less digits than its factorization.
72989259839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3446.
The product of its digits is 176359680, while the sum is 71.
The spelling of 72989259839 in words is "seventy-two billion, nine hundred eighty-nine million, two hundred fifty-nine thousand, eight hundred thirty-nine".
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