Base | Representation |
---|---|
bin | 1001000001011000… |
… | …1001111110100101 |
3 | 20020202220111002211 |
4 | 2100112021332211 |
5 | 14424430232031 |
6 | 1040150003421 |
7 | 114004224661 |
oct | 22026117645 |
9 | 6222814084 |
10 | 2421727141 |
11 | 1033002499 |
12 | 577046571 |
13 | 2c7955252 |
14 | 18d8b78a1 |
15 | e2918bb1 |
hex | 90589fa5 |
2421727141 has 4 divisors (see below), whose sum is σ = 2427479884. Its totient is φ = 2415974400.
The previous prime is 2421727093. The next prime is 2421727151. The reversal of 2421727141 is 1417271242.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1417271242 = 2 ⋅708635621.
It can be written as a sum of positive squares in 2 ways, for example, as 13764100 + 2407963041 = 3710^2 + 49071^2 .
It is a cyclic number.
It is not a de Polignac number, because 2421727141 - 27 = 2421727013 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 (2421727151) 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, 2875740 + ... + 2876581.
It is an arithmetic number, because the mean of its divisors is an integer number (606869971).
Almost surely, 22421727141 is an apocalyptic number.
It is an amenable number.
2421727141 is a deficient number, since it is larger than the sum of its proper divisors (5752743).
2421727141 is an equidigital number, since it uses as much as digits as its factorization.
2421727141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5752742.
The product of its digits is 6272, while the sum is 31.
The square root of 2421727141 is about 49211.0469407022. The cubic root of 2421727141 is about 1342.8940090781.
Adding to 2421727141 its reverse (1417271242), we get a palindrome (3838998383).
The spelling of 2421727141 in words is "two billion, four hundred twenty-one million, seven hundred twenty-seven thousand, one hundred forty-one".
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