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12341987387 is a prime number
BaseRepresentation
bin10110111111010001…
…11100100000111011
31011212010121220211222
423133220330200323
5200234022044022
65400403342255
7614563106342
oct133750744073
934763556758
1012341987387
115263803884
12248538198b
131218c73922
14851200b59
154c37c5242
hex2dfa3c83b

12341987387 has 2 divisors, whose sum is σ = 12341987388. Its totient is φ = 12341987386.

The previous prime is 12341987327. The next prime is 12341987407. The reversal of 12341987387 is 78378914321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12341987387 is a prime.

It is not a weakly prime, because it can be changed into another prime (12341987327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170993693 + 6170993694.

It is an arithmetic number, because the mean of its divisors is an integer number (6170993694).

Almost surely, 212341987387 is an apocalyptic number.

12341987387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12341987387 is an equidigital number, since it uses as much as digits as its factorization.

12341987387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 53.

The spelling of 12341987387 in words is "twelve billion, three hundred forty-one million, nine hundred eighty-seven thousand, three hundred eighty-seven".