Base | Representation |
---|---|
bin | 1100101010011… |
… | …11010011100101 |
3 | 21101220002112222 |
4 | 12111033103211 |
5 | 204143343023 |
6 | 14312522125 |
7 | 2426643260 |
oct | 625172345 |
9 | 241802488 |
10 | 106231013 |
11 | 54a67a29 |
12 | 2b6b0345 |
13 | 190159b5 |
14 | 10173cd7 |
15 | 94d5cc8 |
hex | 654f4e5 |
106231013 has 4 divisors (see below), whose sum is σ = 121406880. Its totient is φ = 91055148.
The previous prime is 106231009. The next prime is 106231019. The reversal of 106231013 is 310132601.
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: 310132601 = 61 ⋅5084141.
It is a cyclic number.
It is not a de Polignac number, because 106231013 - 22 = 106231009 is a prime.
It is a super-2 number, since 2×1062310132 = 22570056246012338, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 106230982 and 106231000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (106231019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7587923 + ... + 7587936.
It is an arithmetic number, because the mean of its divisors is an integer number (30351720).
Almost surely, 2106231013 is an apocalyptic number.
It is an amenable number.
106231013 is a deficient number, since it is larger than the sum of its proper divisors (15175867).
106231013 is an equidigital number, since it uses as much as digits as its factorization.
106231013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15175866.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 106231013 is about 10306.8430181118. The cubic root of 106231013 is about 473.6059039208.
Adding to 106231013 its reverse (310132601), we get a palindrome (416363614).
The spelling of 106231013 in words is "one hundred six million, two hundred thirty-one thousand, thirteen".
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