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12103331293 is a prime number
BaseRepresentation
bin10110100010110101…
…00010110111011101
31011020111112221020101
423101122202313131
5144241423100133
65321000221101
7605634422104
oct132132426735
934214487211
1012103331293
115151018a39
12241946a791
1311ab6a36c1
1482b63903b
154ac88237d
hex2d16a2ddd

12103331293 has 2 divisors, whose sum is σ = 12103331294. Its totient is φ = 12103331292.

The previous prime is 12103331291. The next prime is 12103331309. The reversal of 12103331293 is 39213330121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11463342489 + 639988804 = 107067^2 + 25298^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103331293 - 21 = 12103331291 is a prime.

It is a super-2 number, since 2×121033312932 (a number of 21 digits) contains 22 as substring.

Together with 12103331291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103331291) 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, 6051665646 + 6051665647.

It is an arithmetic number, because the mean of its divisors is an integer number (6051665647).

Almost surely, 212103331293 is an apocalyptic number.

It is an amenable number.

12103331293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103331293 is an equidigital number, since it uses as much as digits as its factorization.

12103331293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

It can be divided in two parts, 12103 and 331293, that added together give a square (343396 = 5862).

The spelling of 12103331293 in words is "twelve billion, one hundred three million, three hundred thirty-one thousand, two hundred ninety-three".