Base | Representation |
---|---|
bin | 1100010010101… |
… | …00101001000111 |
3 | 21012000101102002 |
4 | 12021110221013 |
5 | 202343412033 |
6 | 14121535515 |
7 | 2361252626 |
oct | 611245107 |
9 | 235011362 |
10 | 103107143 |
11 | 53223a17 |
12 | 2a64459b |
13 | 18490b59 |
14 | d99d6bd |
15 | 90ba3e8 |
hex | 6254a47 |
103107143 has 4 divisors (see below), whose sum is σ = 105300960. Its totient is φ = 100913328.
The previous prime is 103107139. The next prime is 103107149. The reversal of 103107143 is 341701301.
It is a happy number.
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 103107143 - 22 = 103107139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103107149) 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, 1096838 + ... + 1096931.
It is an arithmetic number, because the mean of its divisors is an integer number (26325240).
Almost surely, 2103107143 is an apocalyptic number.
103107143 is a deficient number, since it is larger than the sum of its proper divisors (2193817).
103107143 is an equidigital number, since it uses as much as digits as its factorization.
103107143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2193816.
The product of its (nonzero) digits is 252, while the sum is 20.
The square root of 103107143 is about 10154.1687498288. The cubic root of 103107143 is about 468.9172950001.
Adding to 103107143 its reverse (341701301), we get a palindrome (444808444).
The spelling of 103107143 in words is "one hundred three million, one hundred seven thousand, one hundred forty-three".
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