Base | Representation |
---|---|
bin | 1000011001101011100… |
… | …0000111100110011111 |
3 | 111210112202201200222011 |
4 | 2012122320013212133 |
5 | 4331043033320411 |
6 | 150145542332051 |
7 | 13266455335165 |
oct | 2063270074637 |
9 | 453482650864 |
10 | 144332323231 |
11 | 56235919768 |
12 | 23b8072a027 |
13 | 107c22baa75 |
14 | 6db2b6b235 |
15 | 3b4b23cc21 |
hex | 219ae0799f |
144332323231 has 2 divisors, whose sum is σ = 144332323232. Its totient is φ = 144332323230.
The previous prime is 144332323229. The next prime is 144332323279. The reversal of 144332323231 is 132323233441.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 144332323231 - 21 = 144332323229 is a prime.
It is a super-2 number, since 2×1443323232312 (a number of 23 digits) contains 22 as substring.
Together with 144332323229, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 144332323193 and 144332323202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144332323631) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72166161615 + 72166161616.
It is an arithmetic number, because the mean of its divisors is an integer number (72166161616).
Almost surely, 2144332323231 is an apocalyptic number.
144332323231 is a deficient number, since it is larger than the sum of its proper divisors (1).
144332323231 is an equidigital number, since it uses as much as digits as its factorization.
144332323231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 31104, while the sum is 31.
Adding to 144332323231 its reverse (132323233441), we get a palindrome (276655556672).
The spelling of 144332323231 in words is "one hundred forty-four billion, three hundred thirty-two million, three hundred twenty-three thousand, two hundred thirty-one".
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