Base | Representation |
---|---|
bin | 1100110100010000… |
… | …11110100010110100 |
3 | 122202112120221222210 |
4 | 12122020132202310 |
5 | 103043001141240 |
6 | 3054441053420 |
7 | 332341344012 |
oct | 63210364264 |
9 | 18675527883 |
10 | 6880880820 |
11 | 2a11094670 |
12 | 1400487270 |
13 | 858729c18 |
14 | 493bcd8b2 |
15 | 2a4139780 |
hex | 19a21e8b4 |
6880880820 has 96 divisors (see below), whose sum is σ = 21414637440. Its totient is φ = 1636610560.
The previous prime is 6880880819. The next prime is 6880880821. The reversal of 6880880820 is 280880886.
It is an interprime number because it is at equal distance from previous prime (6880880819) and next prime (6880880821).
It is a self number, because there is not a number n which added to its sum of digits gives 6880880820.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6880880821) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63375 + ... + 133334.
It is an arithmetic number, because the mean of its divisors is an integer number (223069140).
Almost surely, 26880880820 is an apocalyptic number.
6880880820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
6880880820 is an abundant number, since it is smaller than the sum of its proper divisors (14533756620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6880880820 is a wasteful number, since it uses less digits than its factorization.
6880880820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196785 (or 196783 counting only the distinct ones).
The product of its (nonzero) digits is 393216, while the sum is 48.
The square root of 6880880820 is about 82951.0748574122. The cubic root of 6880880820 is about 1902.0182450503.
The spelling of 6880880820 in words is "six billion, eight hundred eighty million, eight hundred eighty thousand, eight hundred twenty".
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