Base | Representation |
---|---|
bin | 1100010010111… |
… | …01001001110011 |
3 | 21012002011020012 |
4 | 12021131021303 |
5 | 202401021003 |
6 | 14122405135 |
7 | 2361456356 |
oct | 611351163 |
9 | 235064205 |
10 | 103142003 |
11 | 53248128 |
12 | 2a6607ab |
13 | 184a3993 |
14 | d9ac29d |
15 | 90c58d8 |
hex | 625d273 |
103142003 has 4 divisors (see below), whose sum is σ = 103300608. Its totient is φ = 102983400.
The previous prime is 103141981. The next prime is 103142027. The reversal of 103142003 is 300241301.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 103142003 - 210 = 103140979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103142093) 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, 78323 + ... + 79628.
It is an arithmetic number, because the mean of its divisors is an integer number (25825152).
Almost surely, 2103142003 is an apocalyptic number.
103142003 is a deficient number, since it is larger than the sum of its proper divisors (158605).
103142003 is an equidigital number, since it uses as much as digits as its factorization.
103142003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158604.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 103142003 is about 10155.8851411386. The cubic root of 103142003 is about 468.9701352287.
Adding to 103142003 its reverse (300241301), we get a palindrome (403383304).
It can be divided in two parts, 1031 and 42003, that added together give a palindrome (43034).
The spelling of 103142003 in words is "one hundred three million, one hundred forty-two thousand, three".
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