Base | Representation |
---|---|
bin | 1111100001001000… |
… | …01011101001010101 |
3 | 210111121012211121202 |
4 | 13300210023221111 |
5 | 114030212442041 |
6 | 3454401522245 |
7 | 413310124103 |
oct | 76044135125 |
9 | 23447184552 |
10 | 8330984021 |
11 | 3595694668 |
12 | 1746043385 |
13 | a29c9ba59 |
14 | 590624c73 |
15 | 33b5c9a9b |
hex | 1f090ba55 |
8330984021 has 8 divisors (see below), whose sum is σ = 8521169760. Its totient is φ = 8142431152.
The previous prime is 8330983993. The next prime is 8330984027. The reversal of 8330984021 is 1204890338.
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 8330984021 - 222 = 8326789717 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 (8330984027) 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, 397895 + ... + 418308.
It is an arithmetic number, because the mean of its divisors is an integer number (1065146220).
Almost surely, 28330984021 is an apocalyptic number.
It is an amenable number.
8330984021 is a deficient number, since it is larger than the sum of its proper divisors (190185739).
8330984021 is a wasteful number, since it uses less digits than its factorization.
8330984021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 816435.
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 8330984021 is about 91274.2242968956. The cubic root of 8330984021 is about 2027.2101273892.
The spelling of 8330984021 in words is "eight billion, three hundred thirty million, nine hundred eighty-four thousand, twenty-one".
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