Base | Representation |
---|---|
bin | 100101000001000… |
… | …0010110111101110 |
3 | 10012120010200022222 |
4 | 1022002002313232 |
5 | 10020431100110 |
6 | 323125235342 |
7 | 42531152054 |
oct | 11202026756 |
9 | 3176120288 |
10 | 1242050030 |
11 | 588117631 |
12 | 2a7b62b52 |
13 | 16a428160 |
14 | bad581d4 |
15 | 74094c55 |
hex | 4a082dee |
1242050030 has 64 divisors (see below), whose sum is σ = 2495840256. Its totient is φ = 441936000.
The previous prime is 1242050011. The next prime is 1242050053. The reversal of 1242050030 is 300502421.
It is a junction number, because it is equal to n+sod(n) for n = 1242049990 and 1242050008.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1252835 + ... + 1253825.
It is an arithmetic number, because the mean of its divisors is an integer number (38997504).
Almost surely, 21242050030 is an apocalyptic number.
1242050030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1242050030 is an abundant number, since it is smaller than the sum of its proper divisors (1253790226).
1242050030 is a wasteful number, since it uses less digits than its factorization.
1242050030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1353.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 1242050030 is about 35242.7301723348. The cubic root of 1242050030 is about 1074.9287942740.
Adding to 1242050030 its reverse (300502421), we get a palindrome (1542552451).
The spelling of 1242050030 in words is "one billion, two hundred forty-two million, fifty thousand, thirty".
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