Base | Representation |
---|---|
bin | 1000011011011100011… |
… | …0110000110001010101 |
3 | 111211202202220002222121 |
4 | 2012313012300301111 |
5 | 4333030304031200 |
6 | 150304541255541 |
7 | 13314266021215 |
oct | 2066706606125 |
9 | 454682802877 |
10 | 144805923925 |
11 | 564591949a3 |
12 | 240932645b1 |
13 | 1086945ba70 |
14 | 7019a10245 |
15 | 3b77adde1a |
hex | 21b71b0c55 |
144805923925 has 48 divisors (see below), whose sum is σ = 204833921040. Its totient is φ = 100600381440.
The previous prime is 144805923881. The next prime is 144805923931. The reversal of 144805923925 is 529329508441.
It is a happy number.
It can be written as a sum of positive squares in 24 ways, for example, as 136919240676 + 7886683249 = 370026^2 + 88807^2 .
It is not a de Polignac number, because 144805923925 - 213 = 144805915733 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18388789 + ... + 18396661.
It is an arithmetic number, because the mean of its divisors is an integer number (4267373355).
Almost surely, 2144805923925 is an apocalyptic number.
It is an amenable number.
144805923925 is a deficient number, since it is larger than the sum of its proper divisors (60027997115).
144805923925 is a wasteful number, since it uses less digits than its factorization.
144805923925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11242 (or 11237 counting only the distinct ones).
The product of its (nonzero) digits is 3110400, while the sum is 52.
The spelling of 144805923925 in words is "one hundred forty-four billion, eight hundred five million, nine hundred twenty-three thousand, nine hundred twenty-five".
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