Base | Representation |
---|---|
bin | 1000011011011101001… |
… | …1000111001000100101 |
3 | 111211202222222120202122 |
4 | 2012313103013020211 |
5 | 4333032121130003 |
6 | 150305134515325 |
7 | 13314335363411 |
oct | 2066723071045 |
9 | 454688876678 |
10 | 144809161253 |
11 | 5645aaa6179 |
12 | 24094365b45 |
13 | 1086a023443 |
14 | 701a213d41 |
15 | 3b7802d238 |
hex | 21b74c7225 |
144809161253 has 8 divisors (see below), whose sum is σ = 146326081440. Its totient is φ = 143299028880.
The previous prime is 144809161177. The next prime is 144809161279. The reversal of 144809161253 is 352161908441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-144809161253 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144809161853) 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, 1654058 + ... + 1739403.
It is an arithmetic number, because the mean of its divisors is an integer number (18290760180).
Almost surely, 2144809161253 is an apocalyptic number.
It is an amenable number.
144809161253 is a deficient number, since it is larger than the sum of its proper divisors (1516920187).
144809161253 is a wasteful number, since it uses less digits than its factorization.
144809161253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3393907.
The product of its (nonzero) digits is 207360, while the sum is 44.
The spelling of 144809161253 in words is "one hundred forty-four billion, eight hundred nine million, one hundred sixty-one thousand, two hundred fifty-three".
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