Search a number
-
+
1305030910247 is a prime number
BaseRepresentation
bin10010111111011001111…
…001110110000100100111
311121202111211220011200022
4102333121321312010213
5132340200403111442
62435304541305355
7163166611465241
oct22773171660447
94552454804608
101305030910247
11463507a21559
12190b1026525b
13960aa4893cc
14472417b5091
1523e309353d2
hex12fd9e76127

1305030910247 has 2 divisors, whose sum is σ = 1305030910248. Its totient is φ = 1305030910246.

The previous prime is 1305030910147. The next prime is 1305030910301. The reversal of 1305030910247 is 7420190305031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1305030910247 - 28 = 1305030909991 is a prime.

It is a super-2 number, since 2×13050309102472 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305030910147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652515455123 + 652515455124.

It is an arithmetic number, because the mean of its divisors is an integer number (652515455124).

Almost surely, 21305030910247 is an apocalyptic number.

1305030910247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305030910247 is an equidigital number, since it uses as much as digits as its factorization.

1305030910247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 1305030910247 in words is "one trillion, three hundred five billion, thirty million, nine hundred ten thousand, two hundred forty-seven".