Base | Representation |
---|---|
bin | 1100010010100… |
… | …11101010000001 |
3 | 21012000011212112 |
4 | 12021103222001 |
5 | 202343244410 |
6 | 14121505105 |
7 | 2361235100 |
oct | 611235201 |
9 | 235004775 |
10 | 103103105 |
11 | 53220986 |
12 | 2a642195 |
13 | 1848c071 |
14 | d99c037 |
15 | 90b9105 |
hex | 6253a81 |
103103105 has 24 divisors (see below), whose sum is σ = 144789120. Its totient is φ = 70274400.
The previous prime is 103103081. The next prime is 103103107. The reversal of 103103105 is 501301301.
It is not a de Polignac number, because 103103105 - 26 = 103103041 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 103103105.
It is not an unprimeable number, because it can be changed into a prime (103103107) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 42680 + ... + 45030.
It is an arithmetic number, because the mean of its divisors is an integer number (6032880).
Almost surely, 2103103105 is an apocalyptic number.
It is an amenable number.
103103105 is a deficient number, since it is larger than the sum of its proper divisors (41686015).
103103105 is a wasteful number, since it uses less digits than its factorization.
103103105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2549 (or 2542 counting only the distinct ones).
The product of its (nonzero) digits is 45, while the sum is 14.
The square root of 103103105 is about 10153.9699132901. The cubic root of 103103105 is about 468.9111734948.
Adding to 103103105 its reverse (501301301), we get a palindrome (604404406).
The spelling of 103103105 in words is "one hundred three million, one hundred three thousand, one hundred five".
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