Base | Representation |
---|---|
bin | 11011100111000010100110… |
… | …100101000000100101100111 |
3 | 120220221121100011021000012110 |
4 | 123213002212211000211213 |
5 | 111404002331142041403 |
6 | 1110132120015452103 |
7 | 34402015220442462 |
oct | 3347024645004547 |
9 | 526847304230173 |
10 | 121430110112103 |
11 | 35767247533371 |
12 | 11751b76227033 |
13 | 529aa6c170010 |
14 | 21db36a5882d9 |
15 | e08a20de0103 |
hex | 6e70a6940967 |
121430110112103 has 8 divisors (see below), whose sum is σ = 174361183750768. Its totient is φ = 74726221607424.
The previous prime is 121430110112071. The next prime is 121430110112161. The reversal of 121430110112103 is 301211011034121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121430110112103 - 25 = 121430110112071 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 121430110112103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121430110119103) 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, 1556796283450 + ... + 1556796283527.
It is an arithmetic number, because the mean of its divisors is an integer number (21795147968846).
Almost surely, 2121430110112103 is an apocalyptic number.
121430110112103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
121430110112103 is a deficient number, since it is larger than the sum of its proper divisors (52931073638665).
121430110112103 is a wasteful number, since it uses less digits than its factorization.
121430110112103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3113592566993.
The product of its (nonzero) digits is 144, while the sum is 21.
Adding to 121430110112103 its reverse (301211011034121), we get a palindrome (422641121146224).
The spelling of 121430110112103 in words is "one hundred twenty-one trillion, four hundred thirty billion, one hundred ten million, one hundred twelve thousand, one hundred three".
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