Search a number
-
+
1210244042101 is a prime number
BaseRepresentation
bin10001100111001000001…
…010101000110101110101
311021200211222200100221011
4101213020022220311311
5124312034433321401
62323551201552221
7153302655424003
oct21471012506565
94250758610834
101210244042101
11427297235596
12176678345671
138a182a0ca93
144280cc55a73
1521734202451
hex119c82a8d75

1210244042101 has 2 divisors, whose sum is σ = 1210244042102. Its totient is φ = 1210244042100.

The previous prime is 1210244042089. The next prime is 1210244042107. The reversal of 1210244042101 is 1012404420121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084151583076 + 126092459025 = 1041226^2 + 355095^2 .

It is an emirp because it is prime and its reverse (1012404420121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210244042101 - 27 = 1210244041973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210244042107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605122021050 + 605122021051.

It is an arithmetic number, because the mean of its divisors is an integer number (605122021051).

Almost surely, 21210244042101 is an apocalyptic number.

It is an amenable number.

1210244042101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210244042101 is an equidigital number, since it uses as much as digits as its factorization.

1210244042101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1210244042101 its reverse (1012404420121), we get a palindrome (2222648462222).

The spelling of 1210244042101 in words is "one trillion, two hundred ten billion, two hundred forty-four million, forty-two thousand, one hundred one".