Search a number
-
+
42110115241 is a prime number
BaseRepresentation
bin100111001101111101…
…010101110110101001
311000200201121111102211
4213031331111312221
51142220142141431
631202313525121
73020346034165
oct471575256651
9130621544384
1042110115241
111694a075937
1281b27137a1
133c812a256c
14207692bca5
151166d9b2b1
hex9cdf55da9

42110115241 has 2 divisors, whose sum is σ = 42110115242. Its totient is φ = 42110115240.

The previous prime is 42110115199. The next prime is 42110115247. The reversal of 42110115241 is 14251101124.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30208178025 + 11901937216 = 173805^2 + 109096^2 .

It is a cyclic number.

It is not a de Polignac number, because 42110115241 - 221 = 42108018089 is a prime.

It is a super-2 number, since 2×421101152412 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42110115247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21055057620 + 21055057621.

It is an arithmetic number, because the mean of its divisors is an integer number (21055057621).

Almost surely, 242110115241 is an apocalyptic number.

It is an amenable number.

42110115241 is a deficient number, since it is larger than the sum of its proper divisors (1).

42110115241 is an equidigital number, since it uses as much as digits as its factorization.

42110115241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 42110115241 its reverse (14251101124), we get a palindrome (56361216365).

The spelling of 42110115241 in words is "forty-two billion, one hundred ten million, one hundred fifteen thousand, two hundred forty-one".