Base | Representation |
---|---|
bin | 100110010111000111… |
… | …0111010010000001101 |
3 | 21212122012120120222021 |
4 | 1030232032322100031 |
5 | 2322203242223211 |
6 | 101502254050141 |
7 | 5644311531226 |
oct | 1145616722015 |
9 | 255565516867 |
10 | 82380039181 |
11 | 31a34425810 |
12 | 13b70aa9951 |
13 | 79cb25211b |
14 | 3db6cc024d |
15 | 2222400771 |
hex | 132e3ba40d |
82380039181 has 8 divisors (see below), whose sum is σ = 90472284000. Its totient is φ = 74388319440.
The previous prime is 82380039179. The next prime is 82380039187. The reversal of 82380039181 is 18193008328.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 82380039181 - 21 = 82380039179 is a prime.
It is a super-2 number, since 2×823800391812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82380039187) 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, 25129551 + ... + 25132828.
It is an arithmetic number, because the mean of its divisors is an integer number (11309035500).
Almost surely, 282380039181 is an apocalyptic number.
It is an amenable number.
82380039181 is a deficient number, since it is larger than the sum of its proper divisors (8092244819).
82380039181 is a wasteful number, since it uses less digits than its factorization.
82380039181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50262539.
The product of its (nonzero) digits is 82944, while the sum is 43.
The spelling of 82380039181 in words is "eighty-two billion, three hundred eighty million, thirty-nine thousand, one hundred eighty-one".
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