Base | Representation |
---|---|
bin | 1000011000110000110… |
… | …0000110101110010111 |
3 | 111202220121001022201022 |
4 | 2012030030012232113 |
5 | 4330041442414104 |
6 | 150105300551355 |
7 | 13260403656452 |
oct | 2061414065627 |
9 | 452817038638 |
10 | 144085904279 |
11 | 56119811539 |
12 | 23b120b255b |
13 | 10783230335 |
14 | 6d8c144499 |
15 | 3b347b4bbe |
hex | 218c306b97 |
144085904279 has 4 divisors (see below), whose sum is σ = 144087300240. Its totient is φ = 144084508320.
The previous prime is 144085904173. The next prime is 144085904321. The reversal of 144085904279 is 972409580441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 972409580441 = 13 ⋅74800736957.
It is a cyclic number.
It is not a de Polignac number, because 144085904279 - 220 = 144084855703 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 144085904279.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144085904579) 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 3 ways as a sum of consecutive naturals, for example, 529619 + ... + 754100.
It is an arithmetic number, because the mean of its divisors is an integer number (36021825060).
Almost surely, 2144085904279 is an apocalyptic number.
144085904279 is a deficient number, since it is larger than the sum of its proper divisors (1395961).
144085904279 is a wasteful number, since it uses less digits than its factorization.
144085904279 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1395960.
The product of its (nonzero) digits is 2903040, while the sum is 53.
The spelling of 144085904279 in words is "one hundred forty-four billion, eighty-five million, nine hundred four thousand, two hundred seventy-nine".
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