Base | Representation |
---|---|
bin | 10001111001101000011… |
… | …001010011110111100111 |
3 | 11100121010121221220020200 |
4 | 101321220121103313213 |
5 | 130123232200041403 |
6 | 2341034455401543 |
7 | 154605216301230 |
oct | 21715031236747 |
9 | 4317117856220 |
10 | 1230112112103 |
11 | 434762244656 |
12 | 17a4a20832b3 |
13 | 8bccac74614 |
14 | 437757d8087 |
15 | 21ee85acca3 |
hex | 11e68653de7 |
1230112112103 has 48 divisors (see below), whose sum is σ = 2078128715520. Its totient is φ = 686493988992.
The previous prime is 1230112112087. The next prime is 1230112112113. The reversal of 1230112112103 is 3012112110321.
1230112112103 is a `hidden beast` number, since 1 + 230 + 11 + 211 + 210 + 3 = 666.
It is not a de Polignac number, because 1230112112103 - 24 = 1230112112087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230112112113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29043700 + ... + 29086022.
It is an arithmetic number, because the mean of its divisors is an integer number (43294348240).
Almost surely, 21230112112103 is an apocalyptic number.
1230112112103 is a deficient number, since it is larger than the sum of its proper divisors (848016603417).
1230112112103 is a wasteful number, since it uses less digits than its factorization.
1230112112103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53108 (or 53105 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 1230112112103 its reverse (3012112110321), we get a palindrome (4242224222424).
The spelling of 1230112112103 in words is "one trillion, two hundred thirty billion, one hundred twelve million, one hundred twelve thousand, one hundred three".
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