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4138360393 is a prime number
BaseRepresentation
bin1111011010101010…
…0101111001001001
3101200102001111020011
43312222211321021
531433410013033
61522351231521
7204360324436
oct36652457111
911612044204
104138360393
111833aa6462
12975b185a1
1350c4a667b
142b388cb8d
151934a5ccd
hexf6aa5e49

4138360393 has 2 divisors, whose sum is σ = 4138360394. Its totient is φ = 4138360392.

The previous prime is 4138360339. The next prime is 4138360433. The reversal of 4138360393 is 3930638314.

Together with previous prime (4138360339) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (4138360433) can be obtained adding 4138360393 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3024670009 + 1113690384 = 54997^2 + 33372^2 .

It is a cyclic number.

It is not a de Polignac number, because 4138360393 - 29 = 4138359881 is a prime.

It is a super-2 number, since 2×41383603932 = 34252053484702228898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4138360313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069180196 + 2069180197.

It is an arithmetic number, because the mean of its divisors is an integer number (2069180197).

Almost surely, 24138360393 is an apocalyptic number.

It is an amenable number.

4138360393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138360393 is an equidigital number, since it uses as much as digits as its factorization.

4138360393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 4138360393 is about 64330.0893284006. The cubic root of 4138360393 is about 1605.4967704929.

The spelling of 4138360393 in words is "four billion, one hundred thirty-eight million, three hundred sixty thousand, three hundred ninety-three".