Base | Representation |
---|---|
bin | 100000110111001101000000… |
… | …010011000111010111011111 |
3 | 200221202000211111211100102100 |
4 | 200313031000103013113133 |
5 | 122420444013421333211 |
6 | 1231220345131500143 |
7 | 42305010330213525 |
oct | 4067150023072737 |
9 | 627660744740370 |
10 | 144531023230431 |
11 | 42063298774522 |
12 | 142630b72b7653 |
13 | 62852a8a00a86 |
14 | 27994a5b32315 |
15 | 11a98b4973156 |
hex | 8373404c75df |
144531023230431 has 12 divisors (see below), whose sum is σ = 208780381180800. Its totient is φ = 96347855044320.
The previous prime is 144531023230421. The next prime is 144531023230567. The reversal of 144531023230431 is 134032320135441.
144531023230431 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 310 + 2 + 3 + 2 + 304 + 31 = 666.
144531023230431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 144531023230431 - 29 = 144531023229919 is a prime.
It is a super-2 number, since 2×1445310232304312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144531023230421) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513221631 + ... + 513503168.
It is an arithmetic number, because the mean of its divisors is an integer number (17398365098400).
Almost surely, 2144531023230431 is an apocalyptic number.
144531023230431 is a deficient number, since it is larger than the sum of its proper divisors (64249357950369).
144531023230431 is a wasteful number, since it uses less digits than its factorization.
144531023230431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1026740446 (or 1026740443 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 36.
Adding to 144531023230431 its reverse (134032320135441), we get a palindrome (278563343365872).
The spelling of 144531023230431 in words is "one hundred forty-four trillion, five hundred thirty-one billion, twenty-three million, two hundred thirty thousand, four hundred thirty-one".
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