Base | Representation |
---|---|
bin | 1110101101101… |
… | …11010010011101 |
3 | 22121021002210212 |
4 | 13112313102131 |
5 | 223044343031 |
6 | 20125342205 |
7 | 3026113205 |
oct | 726672235 |
9 | 277232725 |
10 | 123434141 |
11 | 63747996 |
12 | 35407965 |
13 | 1c75a06c |
14 | 12571405 |
15 | ac8312b |
hex | 75b749d |
123434141 has 4 divisors (see below), whose sum is σ = 123709500. Its totient is φ = 123158784.
The previous prime is 123434119. The next prime is 123434153. The reversal of 123434141 is 141434321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141434321 = 7 ⋅20204903.
It can be written as a sum of positive squares in 2 ways, for example, as 63138916 + 60295225 = 7946^2 + 7765^2 .
It is a cyclic number.
It is not a de Polignac number, because 123434141 - 210 = 123433117 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123434111) 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, 137006 + ... + 137903.
It is an arithmetic number, because the mean of its divisors is an integer number (30927375).
Almost surely, 2123434141 is an apocalyptic number.
It is an amenable number.
123434141 is a deficient number, since it is larger than the sum of its proper divisors (275359).
123434141 is an equidigital number, since it uses as much as digits as its factorization.
123434141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 275358.
The product of its digits is 1152, while the sum is 23.
The square root of 123434141 is about 11110.0918538057. The cubic root of 123434141 is about 497.9034088995.
Adding to 123434141 its reverse (141434321), we get a palindrome (264868462).
The spelling of 123434141 in words is "one hundred twenty-three million, four hundred thirty-four thousand, one hundred forty-one".
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