Base | Representation |
---|---|
bin | 1000011011010001101… |
… | …10110001000110100000 |
3 | 1000200022021201021200000 |
4 | 10031220312301012200 |
5 | 14220420112334232 |
6 | 341000553100000 |
7 | 26626424235312 |
oct | 4155066610640 |
9 | 1020267637600 |
10 | 289521996192 |
11 | 101870689a20 |
12 | 481403b7600 |
13 | 213c00bb260 |
14 | 100277117b2 |
15 | 77e788027c |
hex | 4368db11a0 |
289521996192 has 1152 divisors, whose sum is σ = 1068118990848. Its totient is φ = 75918643200.
The previous prime is 289521996173. The next prime is 289521996199. The reversal of 289521996192 is 291699125982.
289521996192 is a `hidden beast` number, since 2 + 8 + 9 + 5 + 2 + 1 + 9 + 9 + 619 + 2 = 666.
Its product of digits (12597120) is a multiple of the sum of its prime divisors (324).
It is not an unprimeable number, because it can be changed into a prime (289521996199) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1275427183 + ... + 1275427409.
It is an arithmetic number, because the mean of its divisors is an integer number (927186624).
Almost surely, 2289521996192 is an apocalyptic number.
289521996192 is a gapful number since it is divisible by the number (22) 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 289521996192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534059495424).
289521996192 is an abundant number, since it is smaller than the sum of its proper divisors (778596994656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
289521996192 is a wasteful number, since it uses less digits than its factorization.
289521996192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 344 (or 324 counting only the distinct ones).
The product of its digits is 12597120, while the sum is 63.
The spelling of 289521996192 in words is "two hundred eighty-nine billion, five hundred twenty-one million, nine hundred ninety-six thousand, one hundred ninety-two".
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