Base | Representation |
---|---|
bin | 1101101111110101110100… |
… | …00010101111101101000111 |
3 | 10222001001202102012120211122 |
4 | 12313322322002233231013 |
5 | 12430301243341023421 |
6 | 144143550502024155 |
7 | 6240060603413435 |
oct | 667727202575507 |
9 | 128031672176748 |
10 | 30231101111111 |
11 | 96a5a354aa36a |
12 | 3482ba671805b |
13 | 13b3a1bca2b44 |
14 | 76729bc23d55 |
15 | 3765a887c2ab |
hex | 1b7eba0afb47 |
30231101111111 has 8 divisors (see below), whose sum is σ = 30349112720784. Its totient is φ = 30113092454400.
The previous prime is 30231101111059. The next prime is 30231101111161. The reversal of 30231101111111 is 11111110113203.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30231101111111 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30231101111111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231101111161) 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, 21026561 + ... + 22418261.
It is an arithmetic number, because the mean of its divisors is an integer number (3793639090098).
Almost surely, 230231101111111 is an apocalyptic number.
30231101111111 is a deficient number, since it is larger than the sum of its proper divisors (118011609673).
30231101111111 is a wasteful number, since it uses less digits than its factorization.
30231101111111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1476481.
The product of its (nonzero) digits is 18, while the sum is 17.
Adding to 30231101111111 its reverse (11111110113203), we get a palindrome (41342211224314).
The spelling of 30231101111111 in words is "thirty trillion, two hundred thirty-one billion, one hundred one million, one hundred eleven thousand, one hundred eleven".
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