Search a number
-
+
13818395159 is a prime number
BaseRepresentation
bin11001101111010001…
…11111101000010111
31022200000202012120022
430313220333220113
5211300002121114
610203104055355
7666301264232
oct146750775027
938600665508
1013818395159
11595113a898
12281790455b
1313c2ac56aa
14951322419
1555d20e48e
hex337a3fa17

13818395159 has 2 divisors, whose sum is σ = 13818395160. Its totient is φ = 13818395158.

The previous prime is 13818395089. The next prime is 13818395191. The reversal of 13818395159 is 95159381831.

It is a strong prime.

It is an emirp because it is prime and its reverse (95159381831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13818395159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13818395159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13818395659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6909197579 + 6909197580.

It is an arithmetic number, because the mean of its divisors is an integer number (6909197580).

Almost surely, 213818395159 is an apocalyptic number.

13818395159 is a deficient number, since it is larger than the sum of its proper divisors (1).

13818395159 is an equidigital number, since it uses as much as digits as its factorization.

13818395159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 53.

The spelling of 13818395159 in words is "thirteen billion, eight hundred eighteen million, three hundred ninety-five thousand, one hundred fifty-nine".