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12471830647 is a prime number
BaseRepresentation
bin10111001110110000…
…10000100001110111
31012012011221122022121
423213120100201313
5201020242040042
65421322340411
7621030545203
oct134730204167
935164848277
1012471830647
115320028a61
12250095a707
131239b35c63
1486455db03
154cedc2367
hex2e7610877

12471830647 has 2 divisors, whose sum is σ = 12471830648. Its totient is φ = 12471830646.

The previous prime is 12471830633. The next prime is 12471830687. The reversal of 12471830647 is 74603817421.

12471830647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12471830647 - 27 = 12471830519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12471830687) 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, 6235915323 + 6235915324.

It is an arithmetic number, because the mean of its divisors is an integer number (6235915324).

Almost surely, 212471830647 is an apocalyptic number.

12471830647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12471830647 is an equidigital number, since it uses as much as digits as its factorization.

12471830647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 12471830647 in words is "twelve billion, four hundred seventy-one million, eight hundred thirty thousand, six hundred forty-seven".