Base | Representation |
---|---|
bin | 11100001111011001… |
… | …000110100111111000 |
3 | 2220021021002111211221 |
4 | 130033121012213320 |
5 | 444100142310130 |
6 | 21532531201424 |
7 | 2122301222041 |
oct | 341731064770 |
9 | 86237074757 |
10 | 30323010040 |
11 | 11950604284 |
12 | 5a63146274 |
13 | 2b2328b3bb |
14 | 16792cb8c8 |
15 | bc718087a |
hex | 70f6469f8 |
30323010040 has 64 divisors (see below), whose sum is σ = 70039157760. Its totient is φ = 11808827520.
The previous prime is 30323010017. The next prime is 30323010061. The reversal of 30323010040 is 4001032303.
It is a junction number, because it is equal to n+sod(n) for n = 30323009996 and 30323010023.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 506577 + ... + 563263.
It is an arithmetic number, because the mean of its divisors is an integer number (1094361840).
Almost surely, 230323010040 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30323010040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35019578880).
30323010040 is an abundant number, since it is smaller than the sum of its proper divisors (39716147720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30323010040 is a wasteful number, since it uses less digits than its factorization.
30323010040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57052 (or 57048 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 30323010040 its reverse (4001032303), we get a palindrome (34324042343).
The spelling of 30323010040 in words is "thirty billion, three hundred twenty-three million, ten thousand, forty".
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