Search a number
-
+
1305315105379 is a prime number
BaseRepresentation
bin10010111111101010110…
…101111101101001100011
311121210020122122210002221
4102333222311331221203
5132341241131333004
62435353052451511
7163206632220415
oct22775265755143
94553218583087
101305315105379
1146364339056a
12190b8b479b97
13961243123cc
144726b4329b5
1523e4a871354
hex12fead7da63

1305315105379 has 2 divisors, whose sum is σ = 1305315105380. Its totient is φ = 1305315105378.

The previous prime is 1305315105151. The next prime is 1305315105389. The reversal of 1305315105379 is 9735015135031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1305315105379 - 219 = 1305314581091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1305315105389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652657552689 + 652657552690.

It is an arithmetic number, because the mean of its divisors is an integer number (652657552690).

Almost surely, 21305315105379 is an apocalyptic number.

1305315105379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305315105379 is an equidigital number, since it uses as much as digits as its factorization.

1305315105379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 212625, while the sum is 43.

The spelling of 1305315105379 in words is "one trillion, three hundred five billion, three hundred fifteen million, one hundred five thousand, three hundred seventy-nine".