Base | Representation |
---|---|
bin | 100101000011100… |
… | …1110111010110101 |
3 | 10012122200202222222 |
4 | 1022013032322311 |
5 | 10021303110401 |
6 | 323214332125 |
7 | 42545545223 |
oct | 11207167265 |
9 | 3178622888 |
10 | 1243410101 |
11 | 58896645a |
12 | 2a84ba045 |
13 | 16a7b322b |
14 | bb1cdb13 |
15 | 74262c1b |
hex | 4a1ceeb5 |
1243410101 has 4 divisors (see below), whose sum is σ = 1243557792. Its totient is φ = 1243262412.
The previous prime is 1243410079. The next prime is 1243410139. The reversal of 1243410101 is 1010143421.
It is a happy number.
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.
It is a cyclic number.
It is not a de Polignac number, because 1243410101 - 214 = 1243393717 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1243410101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1243410001) 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, 60401 + ... + 78326.
It is an arithmetic number, because the mean of its divisors is an integer number (310889448).
Almost surely, 21243410101 is an apocalyptic number.
It is an amenable number.
1243410101 is a deficient number, since it is larger than the sum of its proper divisors (147691).
1243410101 is an equidigital number, since it uses as much as digits as its factorization.
1243410101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147690.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 1243410101 is about 35262.0206596275. The cubic root of 1243410101 is about 1075.3210077213.
Adding to 1243410101 its reverse (1010143421), we get a palindrome (2253553522).
The spelling of 1243410101 in words is "one billion, two hundred forty-three million, four hundred ten thousand, one hundred one".
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