Base | Representation |
---|---|
bin | 1100101001001111… |
… | …01000110001100010 |
3 | 122112002112201210122 |
4 | 12110213220301202 |
5 | 102400311322030 |
6 | 3041334400242 |
7 | 330136220336 |
oct | 62447506142 |
9 | 18462481718 |
10 | 6788385890 |
11 | 2973959880 |
12 | 1395500082 |
13 | 8425134b0 |
14 | 4857d37c6 |
15 | 29ae688e5 |
hex | 1949e8c62 |
6788385890 has 64 divisors (see below), whose sum is σ = 14818470912. Its totient is φ = 2205100800.
The previous prime is 6788385881. The next prime is 6788385937. The reversal of 6788385890 is 985838876.
It is a Harshad number since it is a multiple of its sum of digits (62).
It is a Curzon 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, 32237 + ... + 120896.
It is an arithmetic number, because the mean of its divisors is an integer number (231538608).
Almost surely, 26788385890 is an apocalyptic number.
6788385890 is an abundant number, since it is smaller than the sum of its proper divisors (8030085022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6788385890 is a wasteful number, since it uses less digits than its factorization.
6788385890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153195.
The product of its (nonzero) digits is 23224320, while the sum is 62.
The square root of 6788385890 is about 82391.6615319779. The cubic root of 6788385890 is about 1893.4572638893.
The spelling of 6788385890 in words is "six billion, seven hundred eighty-eight million, three hundred eighty-five thousand, eight hundred ninety".
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