Base | Representation |
---|---|
bin | 11011111101101000… |
… | …010100001010000110 |
3 | 2212111111100102120002 |
4 | 123331220110022012 |
5 | 442442400222000 |
6 | 21443204041302 |
7 | 2112022232513 |
oct | 337550241206 |
9 | 85444312502 |
10 | 30025007750 |
11 | 118083747a1 |
12 | 599b393232 |
13 | 2aa660c99a |
14 | 164b8b830a |
15 | baae188d5 |
hex | 6fda14286 |
30025007750 has 32 divisors (see below), whose sum is σ = 56611245600. Its totient is φ = 11923586400.
The previous prime is 30025007741. The next prime is 30025007807. The reversal of 30025007750 is 5770052003.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 397265 + ... + 466764.
It is an arithmetic number, because the mean of its divisors is an integer number (1769101425).
Almost surely, 230025007750 is an apocalyptic number.
30025007750 is a deficient number, since it is larger than the sum of its proper divisors (26586237850).
30025007750 is a wasteful number, since it uses less digits than its factorization.
30025007750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 864185 (or 864175 counting only the distinct ones).
The product of its (nonzero) digits is 7350, while the sum is 29.
Adding to 30025007750 its reverse (5770052003), we get a palindrome (35795059753).
The spelling of 30025007750 in words is "thirty billion, twenty-five million, seven thousand, seven hundred fifty".
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