Base | Representation |
---|---|
bin | 1110011111110… |
… | …10111110011111 |
3 | 22110211122101002 |
4 | 13033322332133 |
5 | 222113123424 |
6 | 20022340515 |
7 | 3004463315 |
oct | 717727637 |
9 | 273748332 |
10 | 121614239 |
11 | 6271463a |
12 | 3488a73b |
13 | 1c2708b6 |
14 | 1221a0b5 |
15 | aa23cae |
hex | 73faf9f |
121614239 has 4 divisors (see below), whose sum is σ = 124201824. Its totient is φ = 119026656.
The previous prime is 121614223. The next prime is 121614253. The reversal of 121614239 is 932416121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 121614239 - 24 = 121614223 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121614289) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293722 + ... + 1293815.
It is an arithmetic number, because the mean of its divisors is an integer number (31050456).
Almost surely, 2121614239 is an apocalyptic number.
121614239 is a deficient number, since it is larger than the sum of its proper divisors (2587585).
121614239 is an equidigital number, since it uses as much as digits as its factorization.
121614239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2587584.
The product of its digits is 2592, while the sum is 29.
The square root of 121614239 is about 11027.8846112933. The cubic root of 121614239 is about 495.4442686949. Note that the first 3 decimals are identical.
The spelling of 121614239 in words is "one hundred twenty-one million, six hundred fourteen thousand, two hundred thirty-nine".
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