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12143091137 is a prime number
BaseRepresentation
bin10110100111100100…
…01101110111000001
31011100021100221111012
423103302031313001
5144332112404022
65324540330305
7606626400032
oct132362156701
934307327435
1012143091137
115171505111
12242a843995
1311b69b4b38
14832a28a89
154b10d7de2
hex2d3c8ddc1

12143091137 has 2 divisors, whose sum is σ = 12143091138. Its totient is φ = 12143091136.

The previous prime is 12143091097. The next prime is 12143091151. The reversal of 12143091137 is 73119034121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6754209856 + 5388881281 = 82184^2 + 73409^2 .

It is a cyclic number.

It is not a de Polignac number, because 12143091137 - 212 = 12143087041 is a prime.

It is a super-3 number, since 3×121430911373 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (12143091637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071545568 + 6071545569.

It is an arithmetic number, because the mean of its divisors is an integer number (6071545569).

Almost surely, 212143091137 is an apocalyptic number.

It is an amenable number.

12143091137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143091137 is an equidigital number, since it uses as much as digits as its factorization.

12143091137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 12143091137 in words is "twelve billion, one hundred forty-three million, ninety-one thousand, one hundred thirty-seven".