Base | Representation |
---|---|
bin | 111000100010111101… |
… | …1001101100010001001 |
3 | 102121102211011122100122 |
4 | 1301011323031202021 |
5 | 3442143122442441 |
6 | 131441334113025 |
7 | 11526126650042 |
oct | 1610573154211 |
9 | 377384148318 |
10 | 121432234121 |
11 | 4755436a890 |
12 | 1b64b4ab775 |
13 | b5b2b40993 |
14 | 5c3d6498c9 |
15 | 325aab634b |
hex | 1c45ecd889 |
121432234121 has 8 divisors (see below), whose sum is σ = 132483936000. Its totient is φ = 110382600240.
The previous prime is 121432234111. The next prime is 121432234129.
It is a happy number.
121432234121 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-121432234121 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (121432234129) 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, 392921 + ... + 630278.
It is an arithmetic number, because the mean of its divisors is an integer number (16560492000).
Almost surely, 2121432234121 is an apocalyptic number.
121432234121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
121432234121 is a deficient number, since it is larger than the sum of its proper divisors (11051701879).
121432234121 is a wasteful number, since it uses less digits than its factorization.
121432234121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1033999.
The product of its digits is 2304, while the sum is 26.
It can be divided in two parts, 121432 and 234121, that added together give a palindrome (355553).
The spelling of 121432234121 in words is "one hundred twenty-one billion, four hundred thirty-two million, two hundred thirty-four thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.124 sec. • engine limits •