Base | Representation |
---|---|
bin | 100000110000000111011101… |
… | …001111011111010010101101 |
3 | 200220000110211010012120022000 |
4 | 200300013131033133102231 |
5 | 122340004133141443041 |
6 | 1230204525221242513 |
7 | 42224560226264451 |
oct | 4060073517372255 |
9 | 626013733176260 |
10 | 144044030031021 |
11 | 419958038068aa |
12 | 141a4846263439 |
13 | 624b3a8496213 |
14 | 277daa8128661 |
15 | 119bdb0b86bb6 |
hex | 8301dd3df4ad |
144044030031021 has 16 divisors (see below), whose sum is σ = 213398880774720. Its totient is φ = 96029210359440.
The previous prime is 144044030030969. The next prime is 144044030031029. The reversal of 144044030031021 is 120130030440441.
144044030031021 is a `hidden beast` number, since 1 + 4 + 4 + 0 + 4 + 40 + 300 + 310 + 2 + 1 = 666.
It is not a de Polignac number, because 144044030031021 - 214 = 144044030014637 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144044030031029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16394511 + ... + 23598051.
It is an arithmetic number, because the mean of its divisors is an integer number (13337430048420).
Almost surely, 2144044030031021 is an apocalyptic number.
It is an amenable number.
144044030031021 is a deficient number, since it is larger than the sum of its proper divisors (69354850743699).
144044030031021 is an equidigital number, since it uses as much as digits as its factorization.
144044030031021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7944153 (or 7944147 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 144044030031021 its reverse (120130030440441), we get a palindrome (264174060471462).
The spelling of 144044030031021 in words is "one hundred forty-four trillion, forty-four billion, thirty million, thirty-one thousand, twenty-one".
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