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8124342137 is a prime number
BaseRepresentation
bin1111001000011111…
…11001111101111001
3202222012101100020122
413210033321331321
5113114312422022
63422100503025
7405220524452
oct74417717571
922865340218
108124342137
113499a8554a
1216a89aaa75
139c622a552
14570dd4129
153283ac742
hex1e43f9f79

8124342137 has 2 divisors, whose sum is σ = 8124342138. Its totient is φ = 8124342136.

The previous prime is 8124342133. The next prime is 8124342173. The reversal of 8124342137 is 7312434218.

Together with next prime (8124342173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6401760121 + 1722582016 = 80011^2 + 41504^2 .

It is a cyclic number.

It is not a de Polignac number, because 8124342137 - 22 = 8124342133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8124342097 and 8124342106.

It is not a weakly prime, because it can be changed into another prime (8124342133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062171068 + 4062171069.

It is an arithmetic number, because the mean of its divisors is an integer number (4062171069).

Almost surely, 28124342137 is an apocalyptic number.

It is an amenable number.

8124342137 is a deficient number, since it is larger than the sum of its proper divisors (1).

8124342137 is an equidigital number, since it uses as much as digits as its factorization.

8124342137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 8124342137 is about 90135.1326453786. The cubic root of 8124342137 is about 2010.3086196412.

The spelling of 8124342137 in words is "eight billion, one hundred twenty-four million, three hundred forty-two thousand, one hundred thirty-seven".