Base | Representation |
---|---|
bin | 110111100110111110110000… |
… | …1110101011100100110010100 |
3 | 2101010220120111112210220220020 |
4 | 1233031331201311130212110 |
5 | 1003103103001422342101 |
6 | 4452152555553505140 |
7 | 205013246111345550 |
oct | 15715754165344624 |
9 | 2333816445726806 |
10 | 489142581840276 |
11 | 1319462275898a1 |
12 | 46a3b138b721b0 |
13 | 17cc1c419b6c80 |
14 | 88b08ad388860 |
15 | 3b83ac395a136 |
hex | 1bcdf61d5c994 |
489142581840276 has 384 divisors, whose sum is σ = 1493301945139200. Its totient is φ = 120931008307200.
The previous prime is 489142581840223. The next prime is 489142581840287. The reversal of 489142581840276 is 672048185241984.
It is a super-2 number, since 2×4891425818402762 (a number of 30 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 489142581840276.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4792598286 + ... + 4792700346.
It is an arithmetic number, because the mean of its divisors is an integer number (3888807148800).
Almost surely, 2489142581840276 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 489142581840276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746650972569600).
489142581840276 is an abundant number, since it is smaller than the sum of its proper divisors (1004159363298924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489142581840276 is a wasteful number, since it uses less digits than its factorization.
489142581840276 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103135 (or 103133 counting only the distinct ones).
The product of its (nonzero) digits is 247726080, while the sum is 69.
The spelling of 489142581840276 in words is "four hundred eighty-nine trillion, one hundred forty-two billion, five hundred eighty-one million, eight hundred forty thousand, two hundred seventy-six".
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