Search a number
-
+
160918729313 is a prime number
BaseRepresentation
bin1001010111011110000…
…0001111001001100001
3120101100200222102200112
42111313200033021201
510114030143314223
6201531450501105
714424500426216
oct2256740171141
9511320872615
10160918729313
1162277478091
122722b434795
13122366c0234
147b07947b0d
1542bc468778
hex257780f261

160918729313 has 2 divisors, whose sum is σ = 160918729314. Its totient is φ = 160918729312.

The previous prime is 160918729289. The next prime is 160918729399. The reversal of 160918729313 is 313927819061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114834232384 + 46084496929 = 338872^2 + 214673^2 .

It is a cyclic number.

It is not a de Polignac number, because 160918729313 - 222 = 160914535009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (160918729513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80459364656 + 80459364657.

It is an arithmetic number, because the mean of its divisors is an integer number (80459364657).

Almost surely, 2160918729313 is an apocalyptic number.

It is an amenable number.

160918729313 is a deficient number, since it is larger than the sum of its proper divisors (1).

160918729313 is an equidigital number, since it uses as much as digits as its factorization.

160918729313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 160918729313 in words is "one hundred sixty billion, nine hundred eighteen million, seven hundred twenty-nine thousand, three hundred thirteen".