Base | Representation |
---|---|
bin | 111000100010101110… |
… | …1010101001011101101 |
3 | 102121102021102200111222 |
4 | 1301011131111023231 |
5 | 3442134121314013 |
6 | 131440454153125 |
7 | 11526003244250 |
oct | 1610535251355 |
9 | 377367380458 |
10 | 121424401133 |
11 | 4754a9aa842 |
12 | 1b6489527a5 |
13 | b5b132a589 |
14 | 5c3c5ab097 |
15 | 325a06a508 |
hex | 1c457552ed |
121424401133 has 16 divisors (see below), whose sum is σ = 141102873600. Its totient is φ = 102330345600.
The previous prime is 121424401117. The next prime is 121424401139. The reversal of 121424401133 is 331104424121.
It is not a de Polignac number, because 121424401133 - 24 = 121424401117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121424401139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020068 + ... + 1132866.
It is an arithmetic number, because the mean of its divisors is an integer number (8818929600).
Almost surely, 2121424401133 is an apocalyptic number.
It is an amenable number.
121424401133 is a deficient number, since it is larger than the sum of its proper divisors (19678472467).
121424401133 is a wasteful number, since it uses less digits than its factorization.
121424401133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115388.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 121424401133 its reverse (331104424121), we get a palindrome (452528825254).
The spelling of 121424401133 in words is "one hundred twenty-one billion, four hundred twenty-four million, four hundred one thousand, one hundred thirty-three".
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