Base | Representation |
---|---|
bin | 1000011011001101010… |
… | …0001111100010101101 |
3 | 111211121100021011112202 |
4 | 2012303110033202231 |
5 | 4332413020131343 |
6 | 150254350511245 |
7 | 13312564444415 |
oct | 2066324174255 |
9 | 454540234482 |
10 | 144742348973 |
11 | 56426312112 |
12 | 24075b05525 |
13 | 1085922c851 |
14 | 70113c1645 |
15 | 3b72231db8 |
hex | 21b350f8ad |
144742348973 has 16 divisors (see below), whose sum is σ = 155808331200. Its totient is φ = 134048753280.
The previous prime is 144742348921. The next prime is 144742348981. The reversal of 144742348973 is 379843247441.
144742348973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 144742348973 - 222 = 144738154669 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 (144742348273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194168 + ... + 572001.
It is an arithmetic number, because the mean of its divisors is an integer number (9738020700).
Almost surely, 2144742348973 is an apocalyptic number.
It is an amenable number.
144742348973 is a deficient number, since it is larger than the sum of its proper divisors (11065982227).
144742348973 is a wasteful number, since it uses less digits than its factorization.
144742348973 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 766412.
The product of its digits is 16257024, while the sum is 56.
The spelling of 144742348973 in words is "one hundred forty-four billion, seven hundred forty-two million, three hundred forty-eight thousand, nine hundred seventy-three".
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