Base | Representation |
---|---|
bin | 11011111100110010… |
… | …111111111100011001 |
3 | 2212110112001100111120 |
4 | 123330302333330121 |
5 | 442430311000241 |
6 | 21441544315453 |
7 | 2111462362065 |
oct | 337462777431 |
9 | 85415040446 |
10 | 30011031321 |
11 | 11800499027 |
12 | 5996772b89 |
13 | 2aa37581cb |
14 | 1649abaaa5 |
15 | ba9aa7666 |
hex | 6fccbff19 |
30011031321 has 8 divisors (see below), whose sum is σ = 41394526080. Its totient is φ = 19317445392.
The previous prime is 30011031299. The next prime is 30011031331. The reversal of 30011031321 is 12313011003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30011031321 - 210 = 30011030297 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30011031321.
It is not an unprimeable number, because it can be changed into a prime (30011031331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172477105 + ... + 172477278.
It is an arithmetic number, because the mean of its divisors is an integer number (5174315760).
Almost surely, 230011031321 is an apocalyptic number.
It is an amenable number.
30011031321 is a deficient number, since it is larger than the sum of its proper divisors (11383494759).
30011031321 is a wasteful number, since it uses less digits than its factorization.
30011031321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 344954415.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 30011031321 its reverse (12313011003), we get a palindrome (42324042324).
The spelling of 30011031321 in words is "thirty billion, eleven million, thirty-one thousand, three hundred twenty-one".
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