Base | Representation |
---|---|
bin | 11011111101101010… |
… | …001100100001100111 |
3 | 2212111112021110212021 |
4 | 123331222030201213 |
5 | 442443012011100 |
6 | 21443222404011 |
7 | 2112026355064 |
oct | 337552144147 |
9 | 85445243767 |
10 | 30025500775 |
11 | 11808681156 |
12 | 599b590607 |
13 | 2aa675320a |
14 | 164b9a5c6b |
15 | baaeb4a1a |
hex | 6fda8c867 |
30025500775 has 12 divisors (see below), whose sum is σ = 37267146000. Its totient is φ = 23997481280.
The previous prime is 30025500773. The next prime is 30025500839. The reversal of 30025500775 is 57700552003.
It is not a de Polignac number, because 30025500775 - 21 = 30025500773 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30025500775.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30025500773) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546235 + ... + 598684.
It is an arithmetic number, because the mean of its divisors is an integer number (3105595500).
Almost surely, 230025500775 is an apocalyptic number.
30025500775 is a deficient number, since it is larger than the sum of its proper divisors (7241645225).
30025500775 is a wasteful number, since it uses less digits than its factorization.
30025500775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1145978 (or 1145973 counting only the distinct ones).
The product of its (nonzero) digits is 36750, while the sum is 34.
The spelling of 30025500775 in words is "thirty billion, twenty-five million, five hundred thousand, seven hundred seventy-five".
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