Base | Representation |
---|---|
bin | 11100011010101011… |
… | …010011011100100010 |
3 | 2220202110022222201221 |
4 | 130122223103130202 |
5 | 444442124034110 |
6 | 22003413045254 |
7 | 2130060346603 |
oct | 343253233442 |
9 | 86673288657 |
10 | 30512330530 |
11 | 11a384625a0 |
12 | 5ab662682a |
13 | 2b53576766 |
14 | 16964cddaa |
15 | bd8aca7da |
hex | 71aad3722 |
30512330530 has 32 divisors (see below), whose sum is σ = 59978594880. Its totient is φ = 11083638720.
The previous prime is 30512330509. The next prime is 30512330533. The reversal of 30512330530 is 3503321503.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30512330495 and 30512330504.
It is not an unprimeable number, because it can be changed into a prime (30512330533) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42285 + ... + 250624.
It is an arithmetic number, because the mean of its divisors is an integer number (1874331090).
Almost surely, 230512330530 is an apocalyptic number.
30512330530 is a deficient number, since it is larger than the sum of its proper divisors (29466264350).
30512330530 is a wasteful number, since it uses less digits than its factorization.
30512330530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293874.
The product of its (nonzero) digits is 4050, while the sum is 25.
The spelling of 30512330530 in words is "thirty billion, five hundred twelve million, three hundred thirty thousand, five hundred thirty".
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