Base | Representation |
---|---|
bin | 101000001011100101… |
… | …110000011100111001 |
3 | 11010100210021101110212 |
4 | 220023211300130321 |
5 | 1201324343320441 |
6 | 31453052120505 |
7 | 3055102653524 |
oct | 501345603471 |
9 | 133323241425 |
10 | 43144120121 |
11 | 1732a805023 |
12 | 8440a66135 |
13 | 40b758757b |
14 | 2133dabbbb |
15 | 11c7a47eeb |
hex | a0b970739 |
43144120121 has 2 divisors, whose sum is σ = 43144120122. Its totient is φ = 43144120120.
The previous prime is 43144120099. The next prime is 43144120127. The reversal of 43144120121 is 12102144134.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 42658358521 + 485761600 = 206539^2 + 22040^2 .
It is a cyclic number.
It is not a de Polignac number, because 43144120121 - 210 = 43144119097 is a prime.
It is a super-2 number, since 2×431441201212 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (43144120127) 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 as a sum of consecutive naturals, namely, 21572060060 + 21572060061.
It is an arithmetic number, because the mean of its divisors is an integer number (21572060061).
Almost surely, 243144120121 is an apocalyptic number.
It is an amenable number.
43144120121 is a deficient number, since it is larger than the sum of its proper divisors (1).
43144120121 is an equidigital number, since it uses as much as digits as its factorization.
43144120121 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 768, while the sum is 23.
Adding to 43144120121 its reverse (12102144134), we get a palindrome (55246264255).
The spelling of 43144120121 in words is "forty-three billion, one hundred forty-four million, one hundred twenty thousand, one hundred twenty-one".
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