Base | Representation |
---|---|
bin | 100011100100111100… |
… | …010001011000111001 |
3 | 10122121021102211120011 |
4 | 203210330101120321 |
5 | 1111213342242411 |
6 | 25314342301521 |
7 | 2521435650655 |
oct | 434474213071 |
9 | 118537384504 |
10 | 38200743481 |
11 | 15223361a8a |
12 | 74a14278a1 |
13 | 37aa392a34 |
14 | 1bc5649a65 |
15 | ed8a78c21 |
hex | 8e4f11639 |
38200743481 has 2 divisors, whose sum is σ = 38200743482. Its totient is φ = 38200743480.
The previous prime is 38200743461. The next prime is 38200743509. The reversal of 38200743481 is 18434700283.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 35372205625 + 2828537856 = 188075^2 + 53184^2 .
It is a cyclic number.
It is not a de Polignac number, because 38200743481 - 29 = 38200742969 is a prime.
It is a super-2 number, since 2×382007434812 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (38200743461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19100371740 + 19100371741.
It is an arithmetic number, because the mean of its divisors is an integer number (19100371741).
Almost surely, 238200743481 is an apocalyptic number.
It is an amenable number.
38200743481 is a deficient number, since it is larger than the sum of its proper divisors (1).
38200743481 is an equidigital number, since it uses as much as digits as its factorization.
38200743481 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 129024, while the sum is 40.
The spelling of 38200743481 in words is "thirty-eight billion, two hundred million, seven hundred forty-three thousand, four hundred eighty-one".
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