Base | Representation |
---|---|
bin | 11100010010111111… |
… | …001111111010010101 |
3 | 2220102110121122122112 |
4 | 130102333033322111 |
5 | 444211113404310 |
6 | 21542524240405 |
7 | 2123633065460 |
oct | 342277177225 |
9 | 86373548575 |
10 | 30383341205 |
11 | 11981670a48 |
12 | 5a7b3a0105 |
13 | 2b32923009 |
14 | 16833142d7 |
15 | bcc5eb705 |
hex | 712fcfe95 |
30383341205 has 32 divisors (see below), whose sum is σ = 46037942784. Its totient is φ = 18756182016.
The previous prime is 30383341201. The next prime is 30383341207. The reversal of 30383341205 is 50214338303.
It is a cyclic number.
It is not a de Polignac number, because 30383341205 - 22 = 30383341201 is a prime.
It is a super-3 number, since 3×303833412053 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30383341201) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1096412 + ... + 1123781.
It is an arithmetic number, because the mean of its divisors is an integer number (1438685712).
Almost surely, 230383341205 is an apocalyptic number.
30383341205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30383341205 is a deficient number, since it is larger than the sum of its proper divisors (15654601579).
30383341205 is a wasteful number, since it uses less digits than its factorization.
30383341205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2220245.
The product of its (nonzero) digits is 25920, while the sum is 32.
Adding to 30383341205 its reverse (50214338303), we get a palindrome (80597679508).
The spelling of 30383341205 in words is "thirty billion, three hundred eighty-three million, three hundred forty-one thousand, two hundred five".
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