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238430053349 is a prime number
BaseRepresentation
bin1101111000001110001…
…0011110001111100101
3211210102121012200001122
43132003202132033211
512401301043201344
6301311103303325
723140343004605
oct3360342361745
9753377180048
10238430053349
1192132605074
123a2618aab45
131963a05c007
14b77bd7cc05
1563071e6aee
hex378389e3e5

238430053349 has 2 divisors, whose sum is σ = 238430053350. Its totient is φ = 238430053348.

The previous prime is 238430053343. The next prime is 238430053387. The reversal of 238430053349 is 943350034832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162777550849 + 75652502500 = 403457^2 + 275050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-238430053349 is a prime.

It is a super-2 number, since 2×2384300533492 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238430053343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119215026674 + 119215026675.

It is an arithmetic number, because the mean of its divisors is an integer number (119215026675).

Almost surely, 2238430053349 is an apocalyptic number.

It is an amenable number.

238430053349 is a deficient number, since it is larger than the sum of its proper divisors (1).

238430053349 is an equidigital number, since it uses as much as digits as its factorization.

238430053349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 238430053349 in words is "two hundred thirty-eight billion, four hundred thirty million, fifty-three thousand, three hundred forty-nine".