Base | Representation |
---|---|
bin | 111000011001111101… |
… | …0110001101110011010 |
3 | 102120122202201011212100 |
4 | 1300303322301232122 |
5 | 3441033303132310 |
6 | 131351343024230 |
7 | 11515501056006 |
oct | 1606372615632 |
9 | 376582634770 |
10 | 121130130330 |
11 | 47409889830 |
12 | 1b58629b076 |
13 | b565387441 |
14 | 5c11489706 |
15 | 323e2ddec0 |
hex | 1c33eb1b9a |
121130130330 has 96 divisors (see below), whose sum is σ = 343958928768. Its totient is φ = 29331561600.
The previous prime is 121130130299. The next prime is 121130130337. The reversal of 121130130330 is 33031031121.
It is a happy number.
121130130330 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 301 + 30 + 330 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (121130130337) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 809160 + ... + 947100.
It is an arithmetic number, because the mean of its divisors is an integer number (3582905508).
Almost surely, 2121130130330 is an apocalyptic number.
121130130330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 121130130330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171979464384).
121130130330 is an abundant number, since it is smaller than the sum of its proper divisors (222828798438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121130130330 is a wasteful number, since it uses less digits than its factorization.
121130130330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138852 (or 138849 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 121130130330 its reverse (33031031121), we get a palindrome (154161161451).
The spelling of 121130130330 in words is "one hundred twenty-one billion, one hundred thirty million, one hundred thirty thousand, three hundred thirty".
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