Base | Representation |
---|---|
bin | 1000011010011101110… |
… | …0010100100110010100 |
3 | 111211002110102022112200 |
4 | 2012213130110212110 |
5 | 4332011020441434 |
6 | 150222513044500 |
7 | 13304625264066 |
oct | 2064734244624 |
9 | 454073368480 |
10 | 144543140244 |
11 | 5633391a6a8 |
12 | 2401b256730 |
13 | 10826b91769 |
14 | 6dd2b67736 |
15 | 3b5e9d2199 |
hex | 21a7714994 |
144543140244 has 36 divisors (see below), whose sum is σ = 366312235380. Its totient is φ = 48057183360.
The previous prime is 144543140221. The next prime is 144543140249. The reversal of 144543140244 is 442041345441.
144543140244 is a `hidden beast` number, since 144 + 5 + 431 + 40 + 2 + 44 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 76265450244 + 68277690000 = 276162^2 + 261300^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 144543140199 and 144543140208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144543140249) 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 11 ways as a sum of consecutive naturals, for example, 5146777 + ... + 5174784.
Almost surely, 2144543140244 is an apocalyptic number.
It is an amenable number.
144543140244 is an abundant number, since it is smaller than the sum of its proper divisors (221769095136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144543140244 is a wasteful number, since it uses less digits than its factorization.
144543140244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10321960 (or 10321955 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 36.
Adding to 144543140244 its reverse (442041345441), we get a palindrome (586584485685).
The spelling of 144543140244 in words is "one hundred forty-four billion, five hundred forty-three million, one hundred forty thousand, two hundred forty-four".
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