Base | Representation |
---|---|
bin | 11011111101100001… |
… | …100010011010000111 |
3 | 2212111101000011110122 |
4 | 123331201202122013 |
5 | 442441421343421 |
6 | 21443102012155 |
7 | 2112001153016 |
oct | 337541423207 |
9 | 85441004418 |
10 | 30023231111 |
11 | 118073709a5 |
12 | 599a87705b |
13 | 2aa613a113 |
14 | 164b574a7d |
15 | baabb72ab |
hex | 6fd862687 |
30023231111 has 8 divisors (see below), whose sum is σ = 30735277584. Its totient is φ = 29311813440.
The previous prime is 30023231107. The next prime is 30023231129. The reversal of 30023231111 is 11113232003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30023231111 - 22 = 30023231107 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 30023231111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30023231011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59870 + ... + 252251.
It is an arithmetic number, because the mean of its divisors is an integer number (3841909698).
Almost surely, 230023231111 is an apocalyptic number.
30023231111 is a deficient number, since it is larger than the sum of its proper divisors (712046473).
30023231111 is a wasteful number, since it uses less digits than its factorization.
30023231111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 314401.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 30023231111 its reverse (11113232003), we get a palindrome (41136463114).
The spelling of 30023231111 in words is "thirty billion, twenty-three million, two hundred thirty-one thousand, one hundred eleven".
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