Search a number
-
+
26804710253 is a prime number
BaseRepresentation
bin11000111101101011…
…110110101101101101
32120012001210100212102
4120331223312231231
5414344001212003
620151445544445
71636150164206
oct307553665555
976161710772
1026804710253
1110405618602
125240a15125
1326b23b54c9
141423d285ad
15a6d35b588
hex63daf6b6d

26804710253 has 2 divisors, whose sum is σ = 26804710254. Its totient is φ = 26804710252.

The previous prime is 26804710223. The next prime is 26804710259. The reversal of 26804710253 is 35201740862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26243352004 + 561358249 = 161998^2 + 23693^2 .

It is a cyclic number.

It is not a de Polignac number, because 26804710253 - 218 = 26804448109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26804710259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13402355126 + 13402355127.

It is an arithmetic number, because the mean of its divisors is an integer number (13402355127).

Almost surely, 226804710253 is an apocalyptic number.

It is an amenable number.

26804710253 is a deficient number, since it is larger than the sum of its proper divisors (1).

26804710253 is an equidigital number, since it uses as much as digits as its factorization.

26804710253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 26804710253 in words is "twenty-six billion, eight hundred four million, seven hundred ten thousand, two hundred fifty-three".