Base | Representation |
---|---|
bin | 1100011011000000… |
… | …10101001001110000 |
3 | 122012202221211022010 |
4 | 12031200111021300 |
5 | 102124232430000 |
6 | 3021432242520 |
7 | 324156551103 |
oct | 61540251160 |
9 | 18182854263 |
10 | 6669030000 |
11 | 2912547a46 |
12 | 1361540440 |
13 | 8238837c9 |
14 | 473a0473a |
15 | 29073dd50 |
hex | 18d815270 |
6669030000 has 400 divisors, whose sum is σ = 22759114752. Its totient is φ = 1680000000.
The previous prime is 6669029999. The next prime is 6669030083. The reversal of 6669030000 is 309666.
It is a tau number, because it is divible by the number of its divisors (400).
It is a super-4 number, since 4×66690300004 (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a self number, because there is not a number n which added to its sum of digits gives 6669030000.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 66029950 + ... + 66030050.
Almost surely, 26669030000 is an apocalyptic number.
6669030000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6669030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11379557376).
6669030000 is an abundant number, since it is smaller than the sum of its proper divisors (16090084752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6669030000 is a wasteful number, since it uses less digits than its factorization.
6669030000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 234 (or 213 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 30.
The square root of 6669030000 is about 81664.1292122802. The cubic root of 6669030000 is about 1882.2944296687.
Adding to 6669030000 its reverse (309666), we get a palindrome (6669339666).
The spelling of 6669030000 in words is "six billion, six hundred sixty-nine million, thirty thousand".
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