Base | Representation |
---|---|
bin | 1000011001010011001… |
… | …1010111011110001101 |
3 | 111210021122222012002101 |
4 | 2012110303113132031 |
5 | 4330340441223341 |
6 | 150131502155101 |
7 | 13264110202315 |
oct | 2062463273615 |
9 | 453248865071 |
10 | 144230414221 |
11 | 56193343a43 |
12 | 23b52582a91 |
13 | 107a715938a |
14 | 6da3400445 |
15 | 3b4230c831 |
hex | 2194cd778d |
144230414221 has 32 divisors (see below), whose sum is σ = 157710623616. Its totient is φ = 131362560000.
The previous prime is 144230414201. The next prime is 144230414297. The reversal of 144230414221 is 122414032441.
It is a cyclic number.
It is not a de Polignac number, because 144230414221 - 213 = 144230406029 is a prime.
It is a super-2 number, since 2×1442304142212 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 144230414221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144230414201) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79640406 + ... + 79642216.
It is an arithmetic number, because the mean of its divisors is an integer number (4928456988).
Almost surely, 2144230414221 is an apocalyptic number.
It is an amenable number.
144230414221 is a deficient number, since it is larger than the sum of its proper divisors (13480209395).
144230414221 is a wasteful number, since it uses less digits than its factorization.
144230414221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2733.
The product of its (nonzero) digits is 6144, while the sum is 28.
Adding to 144230414221 its reverse (122414032441), we get a palindrome (266644446662).
The spelling of 144230414221 in words is "one hundred forty-four billion, two hundred thirty million, four hundred fourteen thousand, two hundred twenty-one".
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