Base | Representation |
---|---|
bin | 1110011101101… |
… | …01100101100111 |
3 | 22110022012111120 |
4 | 13032311211213 |
5 | 222030030043 |
6 | 20012305023 |
7 | 3002200563 |
oct | 716654547 |
9 | 273265446 |
10 | 121330023 |
11 | 62540051 |
12 | 34772173 |
13 | 1c1a1419 |
14 | 121846a3 |
15 | a9b9983 |
hex | 73b5967 |
121330023 has 8 divisors (see below), whose sum is σ = 162451200. Its totient is φ = 80547768.
The previous prime is 121329977. The next prime is 121330031. The reversal of 121330023 is 320033121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121330023 - 222 = 117135719 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 121329984 and 121330011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121330073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83893 + ... + 85326.
It is an arithmetic number, because the mean of its divisors is an integer number (20306400).
Almost surely, 2121330023 is an apocalyptic number.
121330023 is a deficient number, since it is larger than the sum of its proper divisors (41121177).
121330023 is a wasteful number, since it uses less digits than its factorization.
121330023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169461.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 121330023 is about 11014.9908306816. The cubic root of 121330023 is about 495.0580117705.
Adding to 121330023 its reverse (320033121), we get a palindrome (441363144).
The spelling of 121330023 in words is "one hundred twenty-one million, three hundred thirty thousand, twenty-three".
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