Base | Representation |
---|---|
bin | 1010100101011000001… |
… | …0111100011111010010 |
3 | 122101100012102210201112 |
4 | 2221112002330133102 |
5 | 10434343023122213 |
6 | 215311011533322 |
7 | 16064654346641 |
oct | 2512602743722 |
9 | 571305383645 |
10 | 181832239058 |
11 | 70129616538 |
12 | 2b2a72ba242 |
13 | 141ba411782 |
14 | 8b2d2a5358 |
15 | 4ae34cdea8 |
hex | 2a560bc7d2 |
181832239058 has 18 divisors (see below), whose sum is σ = 277349052357. Its totient is φ = 89407599960.
The previous prime is 181832239049. The next prime is 181832239081. The reversal of 181832239058 is 850932238181.
It is a happy number.
181832239058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 123168008209 + 58664230849 = 350953^2 + 242207^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=301523.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 181832238997 and 181832239015.
It is an unprimeable number.
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 8 ways as a sum of consecutive naturals, for example, 36783335 + ... + 36788277.
Almost surely, 2181832239058 is an apocalyptic number.
181832239058 is a deficient number, since it is larger than the sum of its proper divisors (95516813299).
181832239058 is an frugal number, since it uses more digits than its factorization.
181832239058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10010 (or 5006 counting only the distinct ones).
The product of its (nonzero) digits is 829440, while the sum is 50.
Multiplying 181832239058 by its sum of digits (50), we get a square (9091611952900 = 30152302).
The spelling of 181832239058 in words is "one hundred eighty-one billion, eight hundred thirty-two million, two hundred thirty-nine thousand, fifty-eight".
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