Base | Representation |
---|---|
bin | 10001001011100… |
… | …01110100101001 |
3 | 101001012010000121 |
4 | 20211301310221 |
5 | 243343334004 |
6 | 22145003241 |
7 | 3400003135 |
oct | 1045616451 |
9 | 331163017 |
10 | 144121129 |
11 | 74397379 |
12 | 40323521 |
13 | 23b21099 |
14 | 151d83c5 |
15 | c9bc854 |
hex | 8971d29 |
144121129 has 8 divisors (see below), whose sum is σ = 149685120. Its totient is φ = 138661296.
The previous prime is 144121093. The next prime is 144121141. The reversal of 144121129 is 921121441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144121129 - 223 = 135732521 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144121169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23214 + ... + 28759.
It is an arithmetic number, because the mean of its divisors is an integer number (18710640).
Almost surely, 2144121129 is an apocalyptic number.
It is an amenable number.
144121129 is a deficient number, since it is larger than the sum of its proper divisors (5563991).
144121129 is an equidigital number, since it uses as much as digits as its factorization.
144121129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52079.
The product of its digits is 576, while the sum is 25.
The square root of 144121129 is about 12005.0459807533. The cubic root of 144121129 is about 524.2952042197.
The spelling of 144121129 in words is "one hundred forty-four million, one hundred twenty-one thousand, one hundred twenty-nine".
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