| Base | Representation |
|---|---|
| bin | 100101000001000… |
| … | …1111110110100000 |
| 3 | 10012120020101021020 |
| 4 | 1022002033312200 |
| 5 | 10020434300300 |
| 6 | 323130325440 |
| 7 | 42531463062 |
| oct | 11202176640 |
| 9 | 3176211236 |
| 10 | 1242103200 |
| 11 | 588153578 |
| 12 | 2a7b89880 |
| 13 | 16a446410 |
| 14 | bad6d732 |
| 15 | 740a58a0 |
| hex | 4a08fda0 |
1242103200 has 288 divisors, whose sum is σ = 4464839232. Its totient is φ = 297984000.
The previous prime is 1242103171. The next prime is 1242103229. The reversal of 1242103200 is 23012421.
It is an interprime number because it is at equal distance from previous prime (1242103171) and next prime (1242103229).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1242103200.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1278715 + ... + 1279685.
It is an arithmetic number, because the mean of its divisors is an integer number (15502914).
Almost surely, 21242103200 is an apocalyptic number.
1242103200 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 1242103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232419616).
1242103200 is an abundant number, since it is smaller than the sum of its proper divisors (3222736032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1242103200 is a wasteful number, since it uses less digits than its factorization.
1242103200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1048 (or 1035 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1242103200 is about 35243.4845042314. The cubic root of 1242103200 is about 1074.9441326654.
Adding to 1242103200 its reverse (23012421), we get a palindrome (1265115621).
The spelling of 1242103200 in words is "one billion, two hundred forty-two million, one hundred three thousand, two hundred".
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