Search a number
-
+
6721350341 is a prime number
BaseRepresentation
bin1100100001001111…
…11010101011000101
3122100102101222022112
412100213322223011
5102231131202331
63030541510405
7325363351406
oct62047725305
918312358275
106721350341
11293a032aa2
121376b72405
138316720a4
1447a9439ad
1529512632b
hex1909faac5

6721350341 has 2 divisors, whose sum is σ = 6721350342. Its totient is φ = 6721350340.

The previous prime is 6721350319. The next prime is 6721350353. The reversal of 6721350341 is 1430531276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5753829316 + 967521025 = 75854^2 + 31105^2 .

It is a cyclic number.

It is not a de Polignac number, because 6721350341 - 26 = 6721350277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6721350298 and 6721350307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6721350241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360675170 + 3360675171.

It is an arithmetic number, because the mean of its divisors is an integer number (3360675171).

Almost surely, 26721350341 is an apocalyptic number.

It is an amenable number.

6721350341 is a deficient number, since it is larger than the sum of its proper divisors (1).

6721350341 is an equidigital number, since it uses as much as digits as its factorization.

6721350341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 6721350341 is about 81983.8419507161. The cubic root of 6721350341 is about 1887.2039823836.

The spelling of 6721350341 in words is "six billion, seven hundred twenty-one million, three hundred fifty thousand, three hundred forty-one".