Base | Representation |
---|---|
bin | 1100010011101111… |
… | …00100100001000101 |
3 | 122001112010212020100 |
4 | 12021313210201011 |
5 | 102013122412011 |
6 | 3011412354313 |
7 | 322516121064 |
oct | 61167444105 |
9 | 18045125210 |
10 | 6608013381 |
11 | 2891062292 |
12 | 1345015999 |
13 | 81403bbb8 |
14 | 4698801db |
15 | 28a1d9d56 |
hex | 189de4845 |
6608013381 has 48 divisors (see below), whose sum is σ = 9862594560. Its totient is φ = 4261813920.
The previous prime is 6608013343. The next prime is 6608013383. The reversal of 6608013381 is 1833108066.
6608013381 is a `hidden beast` number, since 6 + 608 + 0 + 13 + 38 + 1 = 666.
It is not a de Polignac number, because 6608013381 - 27 = 6608013253 is a prime.
It is a super-3 number, since 3×66080133813 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6608013383) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11256970 + ... + 11257556.
It is an arithmetic number, because the mean of its divisors is an integer number (205470720).
Almost surely, 26608013381 is an apocalyptic number.
It is an amenable number.
6608013381 is a deficient number, since it is larger than the sum of its proper divisors (3254581179).
6608013381 is a wasteful number, since it uses less digits than its factorization.
6608013381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 966 (or 963 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 6608013381 is about 81289.6880360603. The cubic root of 6608013381 is about 1876.5363058771.
The spelling of 6608013381 in words is "six billion, six hundred eight million, thirteen thousand, three hundred eighty-one".
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