Base | Representation |
---|---|
bin | 100111000000010000… |
… | …0110000001110100101 |
3 | 22000012102001122110102 |
4 | 1032000200300032211 |
5 | 2333020133322141 |
6 | 102251245033445 |
7 | 6023443031036 |
oct | 1160040601645 |
9 | 260172048412 |
10 | 83760448421 |
11 | 325826536a1 |
12 | 14297255885 |
13 | 7b8b231820 |
14 | 40a8372a8d |
15 | 22a36c599b |
hex | 13808303a5 |
83760448421 has 8 divisors (see below), whose sum is σ = 94125454080. Its totient is φ = 73955713392.
The previous prime is 83760448397. The next prime is 83760448427. The reversal of 83760448421 is 12484406738.
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 83760448421 - 214 = 83760432037 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83760448427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140067341 + ... + 140067938.
It is an arithmetic number, because the mean of its divisors is an integer number (11765681760).
Almost surely, 283760448421 is an apocalyptic number.
It is an amenable number.
83760448421 is a deficient number, since it is larger than the sum of its proper divisors (10365005659).
83760448421 is a wasteful number, since it uses less digits than its factorization.
83760448421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280135315.
The product of its (nonzero) digits is 1032192, while the sum is 47.
The spelling of 83760448421 in words is "eighty-three billion, seven hundred sixty million, four hundred forty-eight thousand, four hundred twenty-one".
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