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12371506139 is a prime number
BaseRepresentation
bin10111000010110011…
…00011001111011011
31011221012011121222002
423201121203033123
5200314101144024
65403340151215
7615402032006
oct134131431733
934835147862
1012371506139
115279435743
12249323850b
13122210a845
148550c653d
154c61a66ae
hex2e16633db

12371506139 has 2 divisors, whose sum is σ = 12371506140. Its totient is φ = 12371506138.

The previous prime is 12371506123. The next prime is 12371506177. The reversal of 12371506139 is 93160517321.

It is an a-pointer prime, because the next prime (12371506177) can be obtained adding 12371506139 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12371506139 - 24 = 12371506123 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12371506039) 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, 6185753069 + 6185753070.

It is an arithmetic number, because the mean of its divisors is an integer number (6185753070).

Almost surely, 212371506139 is an apocalyptic number.

12371506139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12371506139 is an equidigital number, since it uses as much as digits as its factorization.

12371506139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 12371506139 in words is "twelve billion, three hundred seventy-one million, five hundred six thousand, one hundred thirty-nine".