Base | Representation |
---|---|
bin | 1100010010110… |
… | …00010001011100 |
3 | 21012001010210210 |
4 | 12021120101130 |
5 | 202344401022 |
6 | 14122132420 |
7 | 2361344160 |
oct | 611302134 |
9 | 235033723 |
10 | 103122012 |
11 | 53234104 |
12 | 2a651110 |
13 | 18497856 |
14 | d9a4ca0 |
15 | 90bea0c |
hex | 625845c |
103122012 has 48 divisors (see below), whose sum is σ = 275692032. Its totient is φ = 29388480.
The previous prime is 103121989. The next prime is 103122031. The reversal of 103122012 is 210221301.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37393 + ... + 40055.
It is an arithmetic number, because the mean of its divisors is an integer number (5743584).
Almost surely, 2103122012 is an apocalyptic number.
103122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
103122012 is an abundant number, since it is smaller than the sum of its proper divisors (172570020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103122012 is a wasteful number, since it uses less digits than its factorization.
103122012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3138 (or 3136 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 103122012 is about 10154.9008857792. The cubic root of 103122012 is about 468.9398346481.
Adding to 103122012 its reverse (210221301), we get a palindrome (313343313).
The spelling of 103122012 in words is "one hundred three million, one hundred twenty-two thousand, twelve".
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