Search a number
-
+
101871952241 is a prime number
BaseRepresentation
bin101111011100000001…
…0101010000101110001
3100201221122001100222012
41132320002222011301
53132113204432431
6114444353252305
710234324210133
oct1367002520561
9321848040865
10101871952241
113a227074574
12178b0864095
1397b65a2aa7
144d05907053
1529b375722b
hex17b80aa171

101871952241 has 2 divisors, whose sum is σ = 101871952242. Its totient is φ = 101871952240.

The previous prime is 101871952177. The next prime is 101871952373. The reversal of 101871952241 is 142259178101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73710078016 + 28161874225 = 271496^2 + 167815^2 .

It is a cyclic number.

It is not a de Polignac number, because 101871952241 - 26 = 101871952177 is a prime.

It is not a weakly prime, because it can be changed into another prime (101871954241) 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, 50935976120 + 50935976121.

It is an arithmetic number, because the mean of its divisors is an integer number (50935976121).

Almost surely, 2101871952241 is an apocalyptic number.

It is an amenable number.

101871952241 is a deficient number, since it is larger than the sum of its proper divisors (1).

101871952241 is an equidigital number, since it uses as much as digits as its factorization.

101871952241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 41.

The spelling of 101871952241 in words is "one hundred one billion, eight hundred seventy-one million, nine hundred fifty-two thousand, two hundred forty-one".