Base | Representation |
---|---|
bin | 111100001001101… |
… | …0101101010011001 |
3 | 12012122212001122102 |
4 | 1320103111222121 |
5 | 13113143213020 |
6 | 532135533145 |
7 | 101005365503 |
oct | 17023255231 |
9 | 5178761572 |
10 | 2018335385 |
11 | 946330280 |
12 | 483b2a1b5 |
13 | 2621c6bc1 |
14 | 1520acd73 |
15 | bc2d5475 |
hex | 784d5a99 |
2018335385 has 16 divisors (see below), whose sum is σ = 2713597632. Its totient is φ = 1428206400.
The previous prime is 2018335381. The next prime is 2018335433. The reversal of 2018335385 is 5835338102.
It is not a de Polignac number, because 2018335385 - 22 = 2018335381 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2018335381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493871 + ... + 497940.
It is an arithmetic number, because the mean of its divisors is an integer number (169599852).
Almost surely, 22018335385 is an apocalyptic number.
It is an amenable number.
2018335385 is a deficient number, since it is larger than the sum of its proper divisors (695262247).
2018335385 is a wasteful number, since it uses less digits than its factorization.
2018335385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 991864.
The product of its (nonzero) digits is 86400, while the sum is 38.
The square root of 2018335385 is about 44925.8876929549. The cubic root of 2018335385 is about 1263.7595332580.
The spelling of 2018335385 in words is "two billion, eighteen million, three hundred thirty-five thousand, three hundred eighty-five".
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