Base | Representation |
---|---|
bin | 1100011111101110… |
… | …11011010100011000 |
3 | 122022112111011122010 |
4 | 12033313123110120 |
5 | 102214402422000 |
6 | 3025405225520 |
7 | 325150330200 |
oct | 61767332430 |
9 | 18275434563 |
10 | 6708639000 |
11 | 2932940858 |
12 | 13728622a0 |
13 | 82bb4139b |
14 | 478d95400 |
15 | 293e64d50 |
hex | 18fddb518 |
6708639000 has 384 divisors, whose sum is σ = 24891909120. Its totient is φ = 1499232000.
The previous prime is 6708638971. The next prime is 6708639001. The reversal of 6708639000 is 9368076.
It is a self number, because there is not a number n which added to its sum of digits gives 6708639000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6708639001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6908515 + ... + 6909485.
It is an arithmetic number, because the mean of its divisors is an integer number (64822680).
Almost surely, 26708639000 is an apocalyptic number.
6708639000 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 6708639000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12445954560).
6708639000 is an abundant number, since it is smaller than the sum of its proper divisors (18183270120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6708639000 is a wasteful number, since it uses less digits than its factorization.
6708639000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1056 (or 1035 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 39.
The square root of 6708639000 is about 81906.2818103715. The cubic root of 6708639000 is about 1886.0135454151.
The spelling of 6708639000 in words is "six billion, seven hundred eight million, six hundred thirty-nine thousand".
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