Base | Representation |
---|---|
bin | 1110100001011… |
… | …11101011010011 |
3 | 22111020121110220 |
4 | 13100233223103 |
5 | 222142030344 |
6 | 20031124123 |
7 | 3006352536 |
oct | 720575323 |
9 | 274217426 |
10 | 121830099 |
11 | 62851836 |
12 | 34973643 |
13 | 1c317c21 |
14 | 12274a1d |
15 | aa67c19 |
hex | 742fad3 |
121830099 has 8 divisors (see below), whose sum is σ = 162539520. Its totient is φ = 81170376.
The previous prime is 121830091. The next prime is 121830101. The reversal of 121830099 is 990038121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121830099 - 23 = 121830091 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121830091) 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, 6267 + ... + 16820.
It is an arithmetic number, because the mean of its divisors is an integer number (20317440).
Almost surely, 2121830099 is an apocalyptic number.
121830099 is a deficient number, since it is larger than the sum of its proper divisors (40709421).
121830099 is a wasteful number, since it uses less digits than its factorization.
121830099 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24849.
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 121830099 is about 11037.6672807256. The cubic root of 121830099 is about 495.7372261311.
The spelling of 121830099 in words is "one hundred twenty-one million, eight hundred thirty thousand, ninety-nine".
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