Base | Representation |
---|---|
bin | 110010000111100110101… |
… | …1110111010000000011000 |
3 | 220101111212002002021201220 |
4 | 1210033031132322000120 |
5 | 1400324144140203210 |
6 | 22352233202212040 |
7 | 1310442666664032 |
oct | 144171536720030 |
9 | 26344762067656 |
10 | 6888280006680 |
11 | 2216337539856 |
12 | 932bb3054020 |
13 | 3ac73c9a1ac7 |
14 | 19b574844c52 |
15 | be2a7603c70 |
hex | 643cd7ba018 |
6888280006680 has 32 divisors (see below), whose sum is σ = 20664840020400. Its totient is φ = 1836874668416.
The previous prime is 6888280006613. The next prime is 6888280006681. The reversal of 6888280006680 is 866000828886.
It is a super-3 number, since 3×68882800066803 (a number of 39 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6888280006681) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28701166575 + ... + 28701166814.
Almost surely, 26888280006680 is an apocalyptic number.
6888280006680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
6888280006680 is an abundant number, since it is smaller than the sum of its proper divisors (13776560013720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6888280006680 is a wasteful number, since it uses less digits than its factorization.
6888280006680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57402333403 (or 57402333399 counting only the distinct ones).
The product of its (nonzero) digits is 14155776, while the sum is 60.
The spelling of 6888280006680 in words is "six trillion, eight hundred eighty-eight billion, two hundred eighty million, six thousand, six hundred eighty".
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