Base | Representation |
---|---|
bin | 1101111000001110001… |
… | …0011110001111100101 |
3 | 211210102121012200001122 |
4 | 3132003202132033211 |
5 | 12401301043201344 |
6 | 301311103303325 |
7 | 23140343004605 |
oct | 3360342361745 |
9 | 753377180048 |
10 | 238430053349 |
11 | 92132605074 |
12 | 3a2618aab45 |
13 | 1963a05c007 |
14 | b77bd7cc05 |
15 | 63071e6aee |
hex | 378389e3e5 |
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".
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