[go: up one dir, main page]

Search a number
-
+
211441151 is a prime number
BaseRepresentation
bin11001001101001…
…01010111111111
3112201212022201202
430212211113333
5413112104101
632551530115
75145135335
oct1446452777
9481768652
10211441151
11a9397959
125a98993b
1334a61b0c
142011db55
151386936b
hexc9a55ff

211441151 has 2 divisors, whose sum is σ = 211441152. Its totient is φ = 211441150.

The previous prime is 211441133. The next prime is 211441211. The reversal of 211441151 is 151144112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-211441151 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211441651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105720575 + 105720576.

It is an arithmetic number, because the mean of its divisors is an integer number (105720576).

Almost surely, 2211441151 is an apocalyptic number.

211441151 is a deficient number, since it is larger than the sum of its proper divisors (1).

211441151 is an equidigital number, since it uses as much as digits as its factorization.

211441151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 160, while the sum is 20.

The square root of 211441151 is about 14541.0161611904. The cubic root of 211441151 is about 595.7487933957.

Adding to 211441151 its reverse (151144112), we get a palindrome (362585263).

The spelling of 211441151 in words is "two hundred eleven million, four hundred forty-one thousand, one hundred fifty-one".