Base | Representation |
---|---|
bin | 11100101010110000… |
… | …011011100101100100 |
3 | 2221110020222012200002 |
4 | 130222300123211210 |
5 | 1001020210010202 |
6 | 22050251240432 |
7 | 2136544422041 |
oct | 345260334544 |
9 | 87406865602 |
10 | 30782110052 |
11 | 12066775981 |
12 | 5b70a49118 |
13 | 2b97423105 |
14 | 16c02781c8 |
15 | c0261a302 |
hex | 72ac1b964 |
30782110052 has 72 divisors (see below), whose sum is σ = 60379444440. Its totient is φ = 13675315200.
The previous prime is 30782110049. The next prime is 30782110087. The reversal of 30782110052 is 25001128703.
It can be written as a sum of positive squares in 4 ways, for example, as 386279716 + 30395830336 = 19654^2 + 174344^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30782109997 and 30782110024.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 2673524 + ... + 2685012.
It is an arithmetic number, because the mean of its divisors is an integer number (838603395).
Almost surely, 230782110052 is an apocalyptic number.
It is an amenable number.
30782110052 is a deficient number, since it is larger than the sum of its proper divisors (29597334388).
30782110052 is a wasteful number, since it uses less digits than its factorization.
30782110052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11613 (or 11580 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 29.
Adding to 30782110052 its reverse (25001128703), we get a palindrome (55783238755).
The spelling of 30782110052 in words is "thirty billion, seven hundred eighty-two million, one hundred ten thousand, fifty-two".
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