Base | Representation |
---|---|
bin | 10001011110011110010010… |
… | …00000000111100101010001 |
3 | 12001001220200202121221011212 |
4 | 20233033021000013211101 |
5 | 20014121022312230120 |
6 | 213422411425545505 |
7 | 11044336146506450 |
oct | 1057171100074521 |
9 | 161056622557155 |
10 | 38430444648785 |
11 | 11277295140952 |
12 | 43880b21a5295 |
13 | 1859c8abab907 |
14 | 96c087300b97 |
15 | 4699e62e46c5 |
hex | 22f3c9007951 |
38430444648785 has 64 divisors (see below), whose sum is σ = 59312292249600. Its totient is φ = 23268667087872.
The previous prime is 38430444648763. The next prime is 38430444648811. The reversal of 38430444648785 is 58784644403483.
It is not a de Polignac number, because 38430444648785 - 222 = 38430440454481 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15337625 + ... + 17666454.
It is an arithmetic number, because the mean of its divisors is an integer number (926754566400).
Almost surely, 238430444648785 is an apocalyptic number.
38430444648785 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38430444648785 is a deficient number, since it is larger than the sum of its proper divisors (20881847600815).
38430444648785 is a wasteful number, since it uses less digits than its factorization.
38430444648785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33004230.
The product of its (nonzero) digits is 990904320, while the sum is 68.
The spelling of 38430444648785 in words is "thirty-eight trillion, four hundred thirty billion, four hundred forty-four million, six hundred forty-eight thousand, seven hundred eighty-five".
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