Base | Representation |
---|---|
bin | 111000100000001101… |
… | …1110010011001011110 |
3 | 102121012101211021102002 |
4 | 1301000123302121132 |
5 | 3442001032013210 |
6 | 131424243402302 |
7 | 11523630630620 |
oct | 1610033623136 |
9 | 377171737362 |
10 | 121340110430 |
11 | 47507368a00 |
12 | 1b624683392 |
13 | b599a27216 |
14 | 5c31308c10 |
15 | 325296a4a5 |
hex | 1c406f265e |
121340110430 has 96 divisors (see below), whose sum is σ = 274527525888. Its totient is φ = 37798453440.
The previous prime is 121340110427. The next prime is 121340110447. The reversal of 121340110430 is 34011043121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20892587 + ... + 20898393.
It is an arithmetic number, because the mean of its divisors is an integer number (2859661728).
Almost surely, 2121340110430 is an apocalyptic number.
121340110430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121340110430 is an abundant number, since it is smaller than the sum of its proper divisors (153187415458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121340110430 is a wasteful number, since it uses less digits than its factorization.
121340110430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8310 (or 8299 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 121340110430 its reverse (34011043121), we get a palindrome (155351153551).
The spelling of 121340110430 in words is "one hundred twenty-one billion, three hundred forty million, one hundred ten thousand, four hundred thirty".
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