Base | Representation |
---|---|
bin | 1000010100000001101001… |
… | …11010100000000011100100 |
3 | 2101201120120100100210220020 |
4 | 10022000310322200003210 |
5 | 4344000442223001120 |
6 | 102513501153035140 |
7 | 3564464045005626 |
oct | 412006472400344 |
9 | 71646510323806 |
10 | 18280268562660 |
11 | 5908689046645 |
12 | 2072a08b55ab0 |
13 | a27a8ba15170 |
14 | 472aac176c16 |
15 | 21a7a219a640 |
hex | 10a034ea00e4 |
18280268562660 has 96 divisors (see below), whose sum is σ = 55203947137920. Its totient is φ = 4493072166912.
The previous prime is 18280268562637. The next prime is 18280268562671. The reversal of 18280268562660 is 6626586208281.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 18280268562594 and 18280268562603.
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, 16886830 + ... + 17936709.
It is an arithmetic number, because the mean of its divisors is an integer number (575041116020).
Almost surely, 218280268562660 is an apocalyptic number.
18280268562660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18280268562660 is an abundant number, since it is smaller than the sum of its proper divisors (36923678575260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18280268562660 is a wasteful number, since it uses less digits than its factorization.
18280268562660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34824237 (or 34824235 counting only the distinct ones).
The product of its (nonzero) digits is 26542080, while the sum is 60.
The spelling of 18280268562660 in words is "eighteen trillion, two hundred eighty billion, two hundred sixty-eight million, five hundred sixty-two thousand, six hundred sixty".
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