Base | Representation |
---|---|
bin | 1110110000101… |
… | …11011110000111 |
3 | 22122000010020001 |
4 | 13120113132013 |
5 | 223144444403 |
6 | 20142022131 |
7 | 3032343610 |
oct | 730273607 |
9 | 278003201 |
10 | 123828103 |
11 | 63996983 |
12 | 35577947 |
13 | 1c867489 |
14 | 12634c07 |
15 | ad0ec1d |
hex | 7617787 |
123828103 has 8 divisors (see below), whose sum is σ = 143108640. Its totient is φ = 104945280.
The previous prime is 123828097. The next prime is 123828137. The reversal of 123828103 is 301828321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123828103 - 213 = 123819911 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 (123828203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98758 + ... + 100003.
It is an arithmetic number, because the mean of its divisors is an integer number (17888580).
Almost surely, 2123828103 is an apocalyptic number.
123828103 is a deficient number, since it is larger than the sum of its proper divisors (19280537).
123828103 is an equidigital number, since it uses as much as digits as its factorization.
123828103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198857.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 123828103 is about 11127.8076457135. The cubic root of 123828103 is about 498.4325620780.
The spelling of 123828103 in words is "one hundred twenty-three million, eight hundred twenty-eight thousand, one hundred three".
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