Base | Representation |
---|---|
bin | 1111101010110100010… |
… | …10101101110001110001 |
3 | 1220110122212212012100012 |
4 | 13311122022231301301 |
5 | 32310102204423020 |
6 | 1051155142304305 |
7 | 53616435456041 |
oct | 7653212556161 |
9 | 1813585765305 |
10 | 538383670385 |
11 | 198366601140 |
12 | 88413728095 |
13 | 3ba0039a982 |
14 | 1c0b4c89721 |
15 | e0107927c5 |
hex | 7d5a2adc71 |
538383670385 has 32 divisors (see below), whose sum is σ = 707814761472. Its totient is φ = 389876287680.
The previous prime is 538383670343. The next prime is 538383670403. The reversal of 538383670385 is 583076383835.
It is not a de Polignac number, because 538383670385 - 28 = 538383670129 is a prime.
It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13855394 + ... + 13894196.
It is an arithmetic number, because the mean of its divisors is an integer number (22119211296).
Almost surely, 2538383670385 is an apocalyptic number.
538383670385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
538383670385 is a deficient number, since it is larger than the sum of its proper divisors (169431091087).
538383670385 is a wasteful number, since it uses less digits than its factorization.
538383670385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39893.
The product of its (nonzero) digits is 43545600, while the sum is 59.
The spelling of 538383670385 in words is "five hundred thirty-eight billion, three hundred eighty-three million, six hundred seventy thousand, three hundred eighty-five".
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