Base | Representation |
---|---|
bin | 11100000010110101… |
… | …010100100000011011 |
3 | 2212201120121111022100 |
4 | 130002311110200123 |
5 | 443132222200011 |
6 | 21500003054443 |
7 | 2114132232141 |
oct | 340265244033 |
9 | 85646544270 |
10 | 30112303131 |
11 | 11852679039 |
12 | 5a04671423 |
13 | 2abb725861 |
14 | 165931d591 |
15 | bb390dd56 |
hex | 702d5481b |
30112303131 has 12 divisors (see below), whose sum is σ = 43498465920. Its totient is φ = 20073522480.
The previous prime is 30112303069. The next prime is 30112303141. The reversal of 30112303131 is 13130321103.
It is a happy number.
30112303131 is a `hidden beast` number, since 301 + 1 + 230 + 3 + 131 = 666.
It is not a de Polignac number, because 30112303131 - 219 = 30111778843 is a prime.
It is a super-3 number, since 3×301123031313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (30112303141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40390 + ... + 248708.
It is an arithmetic number, because the mean of its divisors is an integer number (3624872160).
Almost surely, 230112303131 is an apocalyptic number.
30112303131 is a deficient number, since it is larger than the sum of its proper divisors (13386162789).
30112303131 is a wasteful number, since it uses less digits than its factorization.
30112303131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224386 (or 224383 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 30112303131 its reverse (13130321103), we get a palindrome (43242624234).
The spelling of 30112303131 in words is "thirty billion, one hundred twelve million, three hundred three thousand, one hundred thirty-one".
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