Base | Representation |
---|---|
bin | 100101000001000… |
… | …0010111001000111 |
3 | 10012120010200110021 |
4 | 1022002002321013 |
5 | 10020431100434 |
6 | 323125240011 |
7 | 42531152242 |
oct | 11202027107 |
9 | 3176120407 |
10 | 1242050119 |
11 | 588117702 |
12 | 2a7b63007 |
13 | 16a4281cb |
14 | bad58259 |
15 | 74094cb4 |
hex | 4a082e47 |
1242050119 has 2 divisors, whose sum is σ = 1242050120. Its totient is φ = 1242050118.
The previous prime is 1242050081. The next prime is 1242050129. The reversal of 1242050119 is 9110502421.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (9110502421) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1242050119 - 29 = 1242049607 is a prime.
It is a super-2 number, since 2×12420501192 = 3085376996215828322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1242050093 and 1242050102.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1242050129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621025059 + 621025060.
It is an arithmetic number, because the mean of its divisors is an integer number (621025060).
Almost surely, 21242050119 is an apocalyptic number.
1242050119 is a deficient number, since it is larger than the sum of its proper divisors (1).
1242050119 is an equidigital number, since it uses as much as digits as its factorization.
1242050119 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 720, while the sum is 25.
The square root of 1242050119 is about 35242.7314350066. The cubic root of 1242050119 is about 1074.9288199490.
The spelling of 1242050119 in words is "one billion, two hundred forty-two million, fifty thousand, one hundred nineteen".
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