Base | Representation |
---|---|
bin | 11011111100111010… |
… | …111110001100110010 |
3 | 2212110122222112110022 |
4 | 123330322332030302 |
5 | 442431324340310 |
6 | 21442101203442 |
7 | 2111516215313 |
oct | 337472761462 |
9 | 85418875408 |
10 | 30013121330 |
11 | 11801696305 |
12 | 5997400582 |
13 | 2aa400a5ba |
14 | 164a0a260a |
15 | ba9d6ba55 |
hex | 6fcebe332 |
30013121330 has 16 divisors (see below), whose sum is σ = 54449003520. Its totient is φ = 11910718512.
The previous prime is 30013121329. The next prime is 30013121357. The reversal of 30013121330 is 3312131003.
It is a junction number, because it is equal to n+sod(n) for n = 30013121299 and 30013121308.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11814920 + ... + 11817459.
It is an arithmetic number, because the mean of its divisors is an integer number (3403062720).
Almost surely, 230013121330 is an apocalyptic number.
30013121330 is a deficient number, since it is larger than the sum of its proper divisors (24435882190).
30013121330 is a wasteful number, since it uses less digits than its factorization.
30013121330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23632513.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 30013121330 its reverse (3312131003), we get a palindrome (33325252333).
The spelling of 30013121330 in words is "thirty billion, thirteen million, one hundred twenty-one thousand, three hundred thirty".
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