Base | Representation |
---|---|
bin | 100000110011000000000011… |
… | …011111101111111010011111 |
3 | 200220201102102201211200020201 |
4 | 200303000003133233322133 |
5 | 122401231102010320411 |
6 | 1230435545335524331 |
7 | 42245105116051501 |
oct | 4063000337577237 |
9 | 626642381750221 |
10 | 144242240323231 |
11 | 41a61877303056 |
12 | 142171425296a7 |
13 | 6263ca5a89bab |
14 | 278950c651d71 |
15 | 11a2111e373c1 |
hex | 8330037efe9f |
144242240323231 has 8 divisors (see below), whose sum is σ = 144254301373440. Its totient is φ = 144230179769592.
The previous prime is 144242240323211. The next prime is 144242240323249. The reversal of 144242240323231 is 132323042242441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144242240323231 - 223 = 144242231934623 is a prime.
It is a super-2 number, since 2×1442422403232312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144242240323211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765917226 + ... + 766105528.
It is an arithmetic number, because the mean of its divisors is an integer number (18031787671680).
Almost surely, 2144242240323231 is an apocalyptic number.
144242240323231 is a deficient number, since it is larger than the sum of its proper divisors (12061050209).
144242240323231 is a wasteful number, since it uses less digits than its factorization.
144242240323231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248285.
The product of its (nonzero) digits is 221184, while the sum is 37.
Adding to 144242240323231 its reverse (132323042242441), we get a palindrome (276565282565672).
The spelling of 144242240323231 in words is "one hundred forty-four trillion, two hundred forty-two billion, two hundred forty million, three hundred twenty-three thousand, two hundred thirty-one".
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