Search a number
-
+
61152952271 is a prime number
BaseRepresentation
bin111000111100111111…
…111111111111001111
312211211212001211221012
4320330333333333033
52000220123433041
644032051555435
74263266342405
oct707477777717
9184755054835
1061152952271
1123a3127a184
12ba27bbbb7b
1359c758ac78
142d61a57475
1518cda983eb
hexe3cffffcf

61152952271 has 2 divisors, whose sum is σ = 61152952272. Its totient is φ = 61152952270.

The previous prime is 61152952213. The next prime is 61152952331. The reversal of 61152952271 is 17225925116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61152952271 - 218 = 61152690127 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61152952571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30576476135 + 30576476136.

It is an arithmetic number, because the mean of its divisors is an integer number (30576476136).

Almost surely, 261152952271 is an apocalyptic number.

61152952271 is a deficient number, since it is larger than the sum of its proper divisors (1).

61152952271 is an equidigital number, since it uses as much as digits as its factorization.

61152952271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 41.

The spelling of 61152952271 in words is "sixty-one billion, one hundred fifty-two million, nine hundred fifty-two thousand, two hundred seventy-one".