Base | Representation |
---|---|
bin | 1111000100011… |
… | …00110111111101 |
3 | 22210212002121221 |
4 | 13202030313331 |
5 | 224324444031 |
6 | 20313153341 |
7 | 3063302011 |
oct | 742146775 |
9 | 283762557 |
10 | 126406141 |
11 | 65397894 |
12 | 363bb851 |
13 | 2025aa44 |
14 | 12b06541 |
15 | b16da11 |
hex | 788cdfd |
126406141 has 4 divisors (see below), whose sum is σ = 127163232. Its totient is φ = 125649052.
The previous prime is 126406121. The next prime is 126406151. The reversal of 126406141 is 141604621.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141604621 = 31 ⋅4567891.
It is a cyclic number.
It is not a de Polignac number, because 126406141 - 25 = 126406109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126406121) 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 in 3 ways as a sum of consecutive naturals, for example, 378295 + ... + 378628.
It is an arithmetic number, because the mean of its divisors is an integer number (31790808).
Almost surely, 2126406141 is an apocalyptic number.
It is an amenable number.
126406141 is a deficient number, since it is larger than the sum of its proper divisors (757091).
126406141 is an equidigital number, since it uses as much as digits as its factorization.
126406141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 757090.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 126406141 is about 11243.0485634458. The cubic root of 126406141 is about 501.8678681149.
It can be divided in two parts, 12640 and 6141, that added together give a palindrome (18781).
The spelling of 126406141 in words is "one hundred twenty-six million, four hundred six thousand, one hundred forty-one".
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