Base | Representation |
---|---|
bin | 100101000000111… |
… | …1110000011011101 |
3 | 10012120002200021021 |
4 | 1022001332003131 |
5 | 10020424432201 |
6 | 323125004141 |
7 | 42531040411 |
oct | 11201760335 |
9 | 3176080237 |
10 | 1242030301 |
11 | 588103826 |
12 | 2a7b53651 |
13 | 16a41c195 |
14 | bad50d41 |
15 | 7408dea1 |
hex | 4a07e0dd |
1242030301 has 4 divisors (see below), whose sum is σ = 1242740572. Its totient is φ = 1241320032.
The previous prime is 1242030289. The next prime is 1242030313. The reversal of 1242030301 is 1030302421.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1030302421 = 691 ⋅1491031.
It is an interprime number because it is at equal distance from previous prime (1242030289) and next prime (1242030313).
It can be written as a sum of positive squares in 2 ways, for example, as 527804676 + 714225625 = 22974^2 + 26725^2 .
It is a cyclic number.
It is not a de Polignac number, because 1242030301 - 211 = 1242028253 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1242030331) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352506 + ... + 356011.
It is an arithmetic number, because the mean of its divisors is an integer number (310685143).
Almost surely, 21242030301 is an apocalyptic number.
It is an amenable number.
1242030301 is a deficient number, since it is larger than the sum of its proper divisors (710271).
1242030301 is an equidigital number, since it uses as much as digits as its factorization.
1242030301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 710270.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1242030301 is about 35242.4502695258. The cubic root of 1242030301 is about 1074.9231027742.
Adding to 1242030301 its reverse (1030302421), we get a palindrome (2272332722).
The spelling of 1242030301 in words is "one billion, two hundred forty-two million, thirty thousand, three hundred one".
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