Base | Representation |
---|---|
bin | 11100001111111010… |
… | …110000000000110001 |
3 | 2220021212200122000000 |
4 | 130033322300000301 |
5 | 444104422032241 |
6 | 21533444220213 |
7 | 2122436206122 |
oct | 341772600061 |
9 | 86255618000 |
10 | 30331830321 |
11 | 11955589071 |
12 | 5a6609a669 |
13 | 2b25058cc0 |
14 | 167a546049 |
15 | bc7d23eb6 |
hex | 70feb0031 |
30331830321 has 112 divisors (see below), whose sum is σ = 52751502720. Its totient is φ = 17264586240.
The previous prime is 30331830317. The next prime is 30331830323. The reversal of 30331830321 is 12303813303.
30331830321 is a `hidden beast` number, since 3 + 0 + 331 + 8 + 3 + 0 + 321 = 666.
It is not a de Polignac number, because 30331830321 - 22 = 30331830317 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (30331830323) by changing a digit.
It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 9503836 + ... + 9507026.
It is an arithmetic number, because the mean of its divisors is an integer number (470995560).
Almost surely, 230331830321 is an apocalyptic number.
It is an amenable number.
30331830321 is a deficient number, since it is larger than the sum of its proper divisors (22419672399).
30331830321 is a wasteful number, since it uses less digits than its factorization.
30331830321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3298 (or 3283 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The spelling of 30331830321 in words is "thirty billion, three hundred thirty-one million, eight hundred thirty thousand, three hundred twenty-one".
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