Base | Representation |
---|---|
bin | 100000111011111100110000… |
… | …000101100100101111100100 |
3 | 200222220012200011011212211022 |
4 | 200323330300011210233210 |
5 | 122441314440200303110 |
6 | 1232030244210230312 |
7 | 42340404452401241 |
oct | 4073746005445744 |
9 | 628805604155738 |
10 | 144857168759780 |
11 | 42179642389a14 |
12 | 142b6358885398 |
13 | 62a9c844980b9 |
14 | 27ab1a540c5c8 |
15 | 11b3102680755 |
hex | 83bf30164be4 |
144857168759780 has 24 divisors (see below), whose sum is σ = 314689711444920. Its totient is φ = 55944837589760.
The previous prime is 144857168759741. The next prime is 144857168759813. The reversal of 144857168759780 is 87957861758441.
It can be written as a sum of positive squares in 4 ways, for example, as 2998016064484 + 141859152695296 = 1731478^2 + 11910464^2 .
It is a junction number, because it is equal to n+sod(n) for n = 144857168759695 and 144857168759704.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124876869041 + ... + 124876870200.
It is an arithmetic number, because the mean of its divisors is an integer number (13112071310205).
Almost surely, 2144857168759780 is an apocalyptic number.
144857168759780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144857168759780 is an abundant number, since it is smaller than the sum of its proper divisors (169832542685140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144857168759780 is a wasteful number, since it uses less digits than its factorization.
144857168759780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249753739279 (or 249753739277 counting only the distinct ones).
The product of its (nonzero) digits is 3793305600, while the sum is 80.
The spelling of 144857168759780 in words is "one hundred forty-four trillion, eight hundred fifty-seven billion, one hundred sixty-eight million, seven hundred fifty-nine thousand, seven hundred eighty".
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