Search a number
-
+
105525345193 is a prime number
BaseRepresentation
bin110001001000111001…
…1001111101110101001
3101002101020112221221021
41202101303033232221
53212103442021233
6120251102212441
710424005430422
oct1422163175651
9332336487837
10105525345193
1140831340794
1218550284121
139c49458778
145170bd4649
152b29363e2d
hex1891ccfba9

105525345193 has 2 divisors, whose sum is σ = 105525345194. Its totient is φ = 105525345192.

The previous prime is 105525345161. The next prime is 105525345221. The reversal of 105525345193 is 391543525501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105282078784 + 243266409 = 324472^2 + 15597^2 .

It is a cyclic number.

It is not a de Polignac number, because 105525345193 - 25 = 105525345161 is a prime.

It is a super-2 number, since 2×1055253451932 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105525342193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52762672596 + 52762672597.

It is an arithmetic number, because the mean of its divisors is an integer number (52762672597).

Almost surely, 2105525345193 is an apocalyptic number.

It is an amenable number.

105525345193 is a deficient number, since it is larger than the sum of its proper divisors (1).

105525345193 is an equidigital number, since it uses as much as digits as its factorization.

105525345193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 105525345193 in words is "one hundred five billion, five hundred twenty-five million, three hundred forty-five thousand, one hundred ninety-three".