Base | Representation |
---|---|
bin | 110111011100001… |
… | …010011111001111 |
3 | 2101211012111022111 |
4 | 313130022133033 |
5 | 3401103123441 |
6 | 232143524451 |
7 | 32022654616 |
oct | 6734123717 |
9 | 2354174274 |
10 | 930129871 |
11 | 438041380 |
12 | 21b5b9727 |
13 | 11a915808 |
14 | 8b76087d |
15 | 569ce081 |
hex | 3770a7cf |
930129871 has 4 divisors (see below), whose sum is σ = 1014687144. Its totient is φ = 845572600.
The previous prime is 930129793. The next prime is 930129877. The reversal of 930129871 is 178921039.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 930129871 - 29 = 930129359 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (930129877) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42278620 + ... + 42278641.
It is an arithmetic number, because the mean of its divisors is an integer number (253671786).
Almost surely, 2930129871 is an apocalyptic number.
930129871 is a deficient number, since it is larger than the sum of its proper divisors (84557273).
930129871 is a wasteful number, since it uses less digits than its factorization.
930129871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84557272.
The product of its (nonzero) digits is 27216, while the sum is 40.
The square root of 930129871 is about 30498.0306085491. The cubic root of 930129871 is about 976.1454417845.
The spelling of 930129871 in words is "nine hundred thirty million, one hundred twenty-nine thousand, eight hundred seventy-one".
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