Base | Representation |
---|---|
bin | 100110110001011… |
… | …1101011111110101 |
3 | 10100200002011210011 |
4 | 1031202331133311 |
5 | 10131024313141 |
6 | 333033100221 |
7 | 44145256204 |
oct | 11542753765 |
9 | 3320064704 |
10 | 1301010421 |
11 | 608428427 |
12 | 303857671 |
13 | 1796ccb69 |
14 | c4b0523b |
15 | 7933e881 |
hex | 4d8bd7f5 |
1301010421 has 2 divisors, whose sum is σ = 1301010422. Its totient is φ = 1301010420.
The previous prime is 1301010409. The next prime is 1301010437. The reversal of 1301010421 is 1240101031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1123188196 + 177822225 = 33514^2 + 13335^2 .
It is a cyclic number.
It is not a de Polignac number, because 1301010421 - 219 = 1300486133 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1301010481) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650505210 + 650505211.
It is an arithmetic number, because the mean of its divisors is an integer number (650505211).
Almost surely, 21301010421 is an apocalyptic number.
It is an amenable number.
1301010421 is a deficient number, since it is larger than the sum of its proper divisors (1).
1301010421 is an equidigital number, since it uses as much as digits as its factorization.
1301010421 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 1301010421 is about 36069.5220511722. The cubic root of 1301010421 is about 1091.6755704212.
Adding to 1301010421 its reverse (1240101031), we get a palindrome (2541111452).
The spelling of 1301010421 in words is "one billion, three hundred one million, ten thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •