Base | Representation |
---|---|
bin | 11011111100001010… |
… | …111011000001110001 |
3 | 2212102210021121010022 |
4 | 123330022323001301 |
5 | 442420113303200 |
6 | 21440531213225 |
7 | 2111304154463 |
oct | 337412730161 |
9 | 85383247108 |
10 | 30000525425 |
11 | 117a5572872 |
12 | 5993147215 |
13 | 2aa151a2c0 |
14 | 1648544133 |
15 | ba8bce885 |
hex | 6fc2bb071 |
30000525425 has 24 divisors (see below), whose sum is σ = 40071393600. Its totient is φ = 22149172800.
The previous prime is 30000525421. The next prime is 30000525431. The reversal of 30000525425 is 52452500003.
It is not a de Polignac number, because 30000525425 - 22 = 30000525421 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30000525394 and 30000525403.
It is not an unprimeable number, because it can be changed into a prime (30000525421) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 2007230 + ... + 2022120.
It is an arithmetic number, because the mean of its divisors is an integer number (1669641400).
Almost surely, 230000525425 is an apocalyptic number.
It is an amenable number.
30000525425 is a deficient number, since it is larger than the sum of its proper divisors (10070868175).
30000525425 is a wasteful number, since it uses less digits than its factorization.
30000525425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21113 (or 21108 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 26.
The spelling of 30000525425 in words is "thirty billion, five hundred twenty-five thousand, four hundred twenty-five".
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