Base | Representation |
---|---|
bin | 1000011011111101101… |
… | …01100000100000000000 |
3 | 1000201020222121200002121 |
4 | 10031332311200200000 |
5 | 14222144013433200 |
6 | 341101325054024 |
7 | 26641522562410 |
oct | 4157665404000 |
9 | 1021228550077 |
10 | 289890764800 |
11 | 101a3a86326a |
12 | 482239b7314 |
13 | 2144b616230 |
14 | 100606a6640 |
15 | 7819e24e1a |
hex | 437ed60800 |
289890764800 has 288 divisors, whose sum is σ = 884634004800. Its totient is φ = 91744174080.
The previous prime is 289890764797. The next prime is 289890764873. The reversal of 289890764800 is 8467098982.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4628091 + ... + 4690309.
It is an arithmetic number, because the mean of its divisors is an integer number (3071645850).
Almost surely, 2289890764800 is an apocalyptic number.
289890764800 is a gapful number since it is divisible by the number (20) 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 289890764800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442317002400).
289890764800 is an abundant number, since it is smaller than the sum of its proper divisors (594743240000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
289890764800 is a wasteful number, since it uses less digits than its factorization.
289890764800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62271 (or 62246 counting only the distinct ones).
The product of its (nonzero) digits is 13934592, while the sum is 61.
The spelling of 289890764800 in words is "two hundred eighty-nine billion, eight hundred ninety million, seven hundred sixty-four thousand, eight hundred".
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