Base | Representation |
---|---|
bin | 1111100001001011… |
… | …10001101100011100 |
3 | 210111122000001222220 |
4 | 13300211301230130 |
5 | 114030314331022 |
6 | 3454414505340 |
7 | 413313514533 |
oct | 76045615434 |
9 | 23448001886 |
10 | 8331402012 |
11 | 359594a70a |
12 | 1746205250 |
13 | a2a0b709b |
14 | 5906d331a |
15 | 33b65d85c |
hex | 1f0971b1c |
8331402012 has 24 divisors (see below), whose sum is σ = 19452451200. Its totient is φ = 2775346416.
The previous prime is 8331402011. The next prime is 8331402019. The reversal of 8331402012 is 2102041338.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8331402011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203962 + ... + 241377.
It is an arithmetic number, because the mean of its divisors is an integer number (810518800).
Almost surely, 28331402012 is an apocalyptic number.
It is an amenable number.
8331402012 is an abundant number, since it is smaller than the sum of its proper divisors (11121049188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8331402012 is a wasteful number, since it uses less digits than its factorization.
8331402012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 446905 (or 446903 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 8331402012 is about 91276.5140219542. The cubic root of 8331402012 is about 2027.2440306038.
The spelling of 8331402012 in words is "eight billion, three hundred thirty-one million, four hundred two thousand, twelve".
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