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12470745757 is a prime number
BaseRepresentation
bin10111001110101000…
…00111101010011101
31012012002220112010111
423213110013222131
5201020002331012
65421243210021
7621015406231
oct134724075235
935162815114
1012470745757
11531a457958
122500516911
131239846202
1486435a5c1
154cec5aba7
hex2e7507a9d

12470745757 has 2 divisors, whose sum is σ = 12470745758. Its totient is φ = 12470745756.

The previous prime is 12470745719. The next prime is 12470745769. The reversal of 12470745757 is 75754707421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8833932121 + 3636813636 = 93989^2 + 60306^2 .

It is an emirp because it is prime and its reverse (75754707421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12470745757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12470745757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12470745787) 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, 6235372878 + 6235372879.

It is an arithmetic number, because the mean of its divisors is an integer number (6235372879).

Almost surely, 212470745757 is an apocalyptic number.

It is an amenable number.

12470745757 is a deficient number, since it is larger than the sum of its proper divisors (1).

12470745757 is an equidigital number, since it uses as much as digits as its factorization.

12470745757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920800, while the sum is 49.

The spelling of 12470745757 in words is "twelve billion, four hundred seventy million, seven hundred forty-five thousand, seven hundred fifty-seven".