| Base | Representation |
|---|---|
| bin | 101111111110111011… |
| … | …0110001110110011100 |
| 3 | 100211222021001010101222 |
| 4 | 1133331312301312130 |
| 5 | 3142013032242140 |
| 6 | 115200514152512 |
| 7 | 10305336055205 |
| oct | 1377566616634 |
| 9 | 324867033358 |
| 10 | 103043243420 |
| 11 | 3a778251a07 |
| 12 | 17b78b82738 |
| 13 | 9942154bb0 |
| 14 | 4db72c25ac |
| 15 | 2a314c15b5 |
| hex | 17fddb1d9c |
103043243420 has 96 divisors (see below), whose sum is σ = 251400397248. Its totient is φ = 35132977152.
The previous prime is 103043243393. The next prime is 103043243423. The reversal of 103043243420 is 24342340301.
103043243420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a self number, because there is not a number n which added to its sum of digits gives 103043243420.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103043243423) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14327 + ... + 454193.
It is an arithmetic number, because the mean of its divisors is an integer number (2618754138).
Almost surely, 2103043243420 is an apocalyptic number.
103043243420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 103043243420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125700198624).
103043243420 is an abundant number, since it is smaller than the sum of its proper divisors (148357153828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103043243420 is a wasteful number, since it uses less digits than its factorization.
103043243420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439959 (or 439957 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 26.
Adding to 103043243420 its reverse (24342340301), we get a palindrome (127385583721).
The spelling of 103043243420 in words is "one hundred three billion, forty-three million, two hundred forty-three thousand, four hundred twenty".
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