Base | Representation |
---|---|
bin | 11100100110100110… |
… | …010000011100011001 |
3 | 2221021101200020001202 |
4 | 130212212100130121 |
5 | 1000344324142410 |
6 | 22035315523545 |
7 | 2135036350445 |
oct | 344646203431 |
9 | 87241606052 |
10 | 30712334105 |
11 | 12030348202 |
12 | 5b515b95b5 |
13 | 2b85b3257b |
14 | 16b4cb3825 |
15 | beb435ca5 |
hex | 726990719 |
30712334105 has 16 divisors (see below), whose sum is σ = 38125922304. Its totient is φ = 23725880640.
The previous prime is 30712334101. The next prime is 30712334143. The reversal of 30712334105 is 50143321703.
It is not a de Polignac number, because 30712334105 - 22 = 30712334101 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30712334101) 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, 142214 + ... + 285743.
It is an arithmetic number, because the mean of its divisors is an integer number (2382870144).
Almost surely, 230712334105 is an apocalyptic number.
It is an amenable number.
30712334105 is a deficient number, since it is larger than the sum of its proper divisors (7413588199).
30712334105 is a wasteful number, since it uses less digits than its factorization.
30712334105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428456.
The product of its (nonzero) digits is 7560, while the sum is 29.
Adding to 30712334105 its reverse (50143321703), we get a palindrome (80855655808).
The spelling of 30712334105 in words is "thirty billion, seven hundred twelve million, three hundred thirty-four thousand, one hundred five".
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