Search a number
-
+
210120112141 is a prime number
BaseRepresentation
bin1100001110110000100…
…0100111100000001101
3202002100122001122111121
43003230020213200031
511420311222042031
6240310003120541
721115654325062
oct3035410474015
9662318048447
10210120112141
1181125364245
1234880973151
1316a77b72604
14a25418cc69
1556ebb5b011
hex30ec22780d

210120112141 has 2 divisors, whose sum is σ = 210120112142. Its totient is φ = 210120112140.

The previous prime is 210120112117. The next prime is 210120112157. The reversal of 210120112141 is 141211021012.

It is an a-pointer prime, because the next prime (210120112157) can be obtained adding 210120112141 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156780362025 + 53339750116 = 395955^2 + 230954^2 .

It is a cyclic number.

It is not a de Polignac number, because 210120112141 - 29 = 210120111629 is a prime.

It is a super-2 number, since 2×2101201121412 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210120182141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060056070 + 105060056071.

It is an arithmetic number, because the mean of its divisors is an integer number (105060056071).

Almost surely, 2210120112141 is an apocalyptic number.

It is an amenable number.

210120112141 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120112141 is an equidigital number, since it uses as much as digits as its factorization.

210120112141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210120112141 its reverse (141211021012), we get a palindrome (351331133153).

The spelling of 210120112141 in words is "two hundred ten billion, one hundred twenty million, one hundred twelve thousand, one hundred forty-one".