Base | Representation |
---|---|
bin | 100101000001000… |
… | …0010111001001000 |
3 | 10012120010200110022 |
4 | 1022002002321020 |
5 | 10020431100440 |
6 | 323125240012 |
7 | 42531152243 |
oct | 11202027110 |
9 | 3176120408 |
10 | 1242050120 |
11 | 588117703 |
12 | 2a7b63008 |
13 | 16a4281cc |
14 | bad5825a |
15 | 74094cb5 |
hex | 4a082e48 |
1242050120 has 32 divisors (see below), whose sum is σ = 2796043320. Its totient is φ = 496565760.
The previous prime is 1242050119. The next prime is 1242050129. The reversal of 1242050120 is 210502421.
It can be written as a sum of positive squares in 4 ways, for example, as 603881476 + 638168644 = 24574^2 + 25262^2 .
It is not an unprimeable number, because it can be changed into a prime (1242050129) 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, 84434 + ... + 98046.
Almost surely, 21242050120 is an apocalyptic number.
1242050120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1242050120 is an abundant number, since it is smaller than the sum of its proper divisors (1553993200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1242050120 is a wasteful number, since it uses less digits than its factorization.
1242050120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15905 (or 15901 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 1242050120 is about 35242.7314491939. The cubic root of 1242050120 is about 1074.9288202374.
Adding to 1242050120 its reverse (210502421), we get a palindrome (1452552541).
The spelling of 1242050120 in words is "one billion, two hundred forty-two million, fifty thousand, one hundred twenty".
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