Base | Representation |
---|---|
bin | 10001011010010100110011… |
… | …11001001010011111101101 |
3 | 12000120021211000001200212020 |
4 | 20231022121321022133231 |
5 | 20004302130104011124 |
6 | 213233121112100353 |
7 | 11031132234254610 |
oct | 1055123171123755 |
9 | 160507730050766 |
10 | 38287920375789 |
11 | 112218a7985087 |
12 | 43645570946b9 |
13 | 18496c636c176 |
14 | 965206744177 |
15 | 465e53ba0379 |
hex | 22d299e4a7ed |
38287920375789 has 8 divisors (see below), whose sum is σ = 58343497715520. Its totient is φ = 21878811643296.
The previous prime is 38287920375769. The next prime is 38287920375799. The reversal of 38287920375789 is 98757302978283.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38287920375789 - 212 = 38287920371693 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38287920375769) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911617151784 + ... + 911617151825.
It is an arithmetic number, because the mean of its divisors is an integer number (7292937214440).
Almost surely, 238287920375789 is an apocalyptic number.
It is an amenable number.
38287920375789 is a deficient number, since it is larger than the sum of its proper divisors (20055577339731).
38287920375789 is a wasteful number, since it uses less digits than its factorization.
38287920375789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1823234303619.
The product of its (nonzero) digits is 2560481280, while the sum is 78.
The spelling of 38287920375789 in words is "thirty-eight trillion, two hundred eighty-seven billion, nine hundred twenty million, three hundred seventy-five thousand, seven hundred eighty-nine".
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