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12442403101 is a prime number
BaseRepresentation
bin10111001011010000…
…00000000100011101
31012010010120120022111
423211220000010131
5200440223344401
65414351514021
7620222452462
oct134550000435
935103516274
1012442403101
115305459677
1224b2b28911
131233a016cb
1486069d669
154cc50ce51
hex2e5a0011d

12442403101 has 2 divisors, whose sum is σ = 12442403102. Its totient is φ = 12442403100.

The previous prime is 12442403069. The next prime is 12442403117. The reversal of 12442403101 is 10130424421.

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., 8152284100 + 4290119001 = 90290^2 + 65499^2 .

It is a cyclic number.

It is not a de Polignac number, because 12442403101 - 25 = 12442403069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12442403131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221201550 + 6221201551.

It is an arithmetic number, because the mean of its divisors is an integer number (6221201551).

Almost surely, 212442403101 is an apocalyptic number.

It is an amenable number.

12442403101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442403101 is an equidigital number, since it uses as much as digits as its factorization.

12442403101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12442403101 its reverse (10130424421), we get a palindrome (22572827522).

The spelling of 12442403101 in words is "twelve billion, four hundred forty-two million, four hundred three thousand, one hundred one".