Base | Representation |
---|---|
bin | 1110111110101110… |
… | …11010110111100110 |
3 | 202202111020120012100 |
4 | 13133113122313212 |
5 | 112432330111310 |
6 | 3410013032530 |
7 | 403204330425 |
oct | 73727326746 |
9 | 22674216170 |
10 | 8042425830 |
11 | 345781561a |
12 | 1685485746 |
13 | 9b2278b6a |
14 | 56418d2bc |
15 | 3210caec0 |
hex | 1df5dade6 |
8042425830 has 96 divisors (see below), whose sum is σ = 22206169440. Its totient is φ = 2013742080.
The previous prime is 8042425819. The next prime is 8042425843. The reversal of 8042425830 is 385242408.
It is a super-2 number, since 2×80424258302 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172420 + ... + 214040.
It is an arithmetic number, because the mean of its divisors is an integer number (231314265).
Almost surely, 28042425830 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8042425830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11103084720).
8042425830 is an abundant number, since it is smaller than the sum of its proper divisors (14163743610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8042425830 is a wasteful number, since it uses less digits than its factorization.
8042425830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41766 (or 41763 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 36.
The square root of 8042425830 is about 89679.5730922042. The cubic root of 8042425830 is about 2003.5292543519.
The spelling of 8042425830 in words is "eight billion, forty-two million, four hundred twenty-five thousand, eight hundred thirty".
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