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12103321453 is a prime number
BaseRepresentation
bin10110100010110101…
…00000011101101101
31011020111112102201221
423101122200131231
5144241422241303
65321000103341
7605634351316
oct132132403555
934214472657
1012103321453
115151011603
122419464b51
1311ab69c092
1482b63560d
154ac87e4bd
hex2d16a076d

12103321453 has 2 divisors, whose sum is σ = 12103321454. Its totient is φ = 12103321452.

The previous prime is 12103321421. The next prime is 12103321469. The reversal of 12103321453 is 35412330121.

It is a happy number.

12103321453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11932940644 + 170380809 = 109238^2 + 13053^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103321453 - 25 = 12103321421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103321403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051660726 + 6051660727.

It is an arithmetic number, because the mean of its divisors is an integer number (6051660727).

Almost surely, 212103321453 is an apocalyptic number.

It is an amenable number.

12103321453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103321453 is an equidigital number, since it uses as much as digits as its factorization.

12103321453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 12103321453 its reverse (35412330121), we get a palindrome (47515651574).

The spelling of 12103321453 in words is "twelve billion, one hundred three million, three hundred twenty-one thousand, four hundred fifty-three".