Base | Representation |
---|---|
bin | 1100010011100… |
… | …10111010001001 |
3 | 21012020200110120 |
4 | 12021302322021 |
5 | 202411343423 |
6 | 14124333453 |
7 | 2362310226 |
oct | 611627211 |
9 | 235220416 |
10 | 103231113 |
11 | 532a9077 |
12 | 2a6a4289 |
13 | 185053cb |
14 | d9d294d |
15 | 90e1ee3 |
hex | 6272e89 |
103231113 has 4 divisors (see below), whose sum is σ = 137641488. Its totient is φ = 68820740.
The previous prime is 103231091. The next prime is 103231151. The reversal of 103231113 is 311132301.
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 103231113 - 26 = 103231049 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 103231092 and 103231101.
It is not an unprimeable number, because it can be changed into a prime (103231913) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17205183 + ... + 17205188.
It is an arithmetic number, because the mean of its divisors is an integer number (34410372).
Almost surely, 2103231113 is an apocalyptic number.
It is an amenable number.
103231113 is a deficient number, since it is larger than the sum of its proper divisors (34410375).
103231113 is an equidigital number, since it uses as much as digits as its factorization.
103231113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34410374.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 103231113 is about 10160.2713054327. The cubic root of 103231113 is about 469.1051526430.
Adding to 103231113 its reverse (311132301), we get a palindrome (414363414).
The spelling of 103231113 in words is "one hundred three million, two hundred thirty-one thousand, one hundred thirteen".
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