Base | Representation |
---|---|
bin | 11100010110010010… |
… | …111110110001010110 |
3 | 2220120100001120021010 |
4 | 130112102332301112 |
5 | 444314321024101 |
6 | 21552230033050 |
7 | 2125205626605 |
oct | 342622766126 |
9 | 86510046233 |
10 | 30438845526 |
11 | 119aaa31191 |
12 | 5a95aa8786 |
13 | 2b412878cb |
14 | 168a841a3c |
15 | bd24122d6 |
hex | 7164bec56 |
30438845526 has 16 divisors (see below), whose sum is σ = 61138971504. Its totient is φ = 10102735104.
The previous prime is 30438845513. The next prime is 30438845531. The reversal of 30438845526 is 62554883403.
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 7 ways as a sum of consecutive naturals, for example, 10885171 + ... + 10887966.
It is an arithmetic number, because the mean of its divisors is an integer number (3821185719).
Almost surely, 230438845526 is an apocalyptic number.
30438845526 is an abundant number, since it is smaller than the sum of its proper divisors (30700125978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30438845526 is a wasteful number, since it uses less digits than its factorization.
30438845526 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21773375.
The product of its (nonzero) digits is 2764800, while the sum is 48.
The spelling of 30438845526 in words is "thirty billion, four hundred thirty-eight million, eight hundred forty-five thousand, five hundred twenty-six".
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