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12425645017 is a prime number
BaseRepresentation
bin10111001001010000…
…00100101111011001
31012001222001011112201
423210220010233121
5200421431120032
65412552410201
7616630145212
oct134450045731
935058034481
1012425645017
1152a6a53015
1224a93a6961
1312303b4a96
1485c37a409
154cacec8e7
hex2e4a04bd9

12425645017 has 2 divisors, whose sum is σ = 12425645018. Its totient is φ = 12425645016.

The previous prime is 12425644939. The next prime is 12425645047. The reversal of 12425645017 is 71054652421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12414193561 + 11451456 = 111419^2 + 3384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12425645017 is a prime.

It is not a weakly prime, because it can be changed into another prime (12425645047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212822508 + 6212822509.

It is an arithmetic number, because the mean of its divisors is an integer number (6212822509).

Almost surely, 212425645017 is an apocalyptic number.

It is an amenable number.

12425645017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12425645017 is an equidigital number, since it uses as much as digits as its factorization.

12425645017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 12425645017 in words is "twelve billion, four hundred twenty-five million, six hundred forty-five thousand, seventeen".