Search a number
-
+
157943178119 is a prime number
BaseRepresentation
bin1001001100011000100…
…1011010001110000111
3120002200022221202210202
42103012021122032013
510041431423144434
6200320314241115
714260656601646
oct2230611321607
9502608852722
10157943178119
1160a8a896471
122673aa2619b
1311b810b905c
1479046a735d
154196103a7e
hex24c625a387

157943178119 has 2 divisors, whose sum is σ = 157943178120. Its totient is φ = 157943178118.

The previous prime is 157943178059. The next prime is 157943178157. The reversal of 157943178119 is 911871349751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157943178119 - 212 = 157943174023 is a prime.

It is a super-2 number, since 2×1579431781192 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157943178619) 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, 78971589059 + 78971589060.

It is an arithmetic number, because the mean of its divisors is an integer number (78971589060).

Almost surely, 2157943178119 is an apocalyptic number.

157943178119 is a deficient number, since it is larger than the sum of its proper divisors (1).

157943178119 is an equidigital number, since it uses as much as digits as its factorization.

157943178119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 56.

It can be divided in two parts, 15794 and 3178119, that added together give a palindrome (3193913).

The spelling of 157943178119 in words is "one hundred fifty-seven billion, nine hundred forty-three million, one hundred seventy-eight thousand, one hundred nineteen".