Base | Representation |
---|---|
bin | 100000011011011001010111… |
… | …0001111000000010000000000 |
3 | 1101101221201001022221111001102 |
4 | 1000312302232033000100000 |
5 | 244341334104023340340 |
6 | 2450353325241353532 |
7 | 114036634216112300 |
oct | 10066625617002000 |
9 | 1341851038844042 |
10 | 285240291230720 |
11 | 82982801223131 |
12 | 27ba95904988a8 |
13 | c321075a04237 |
14 | 50619bd17d600 |
15 | 22e9b4b9d1215 |
hex | 1036cae3c0400 |
285240291230720 has 3168 divisors, whose sum is σ = 936571318502400. Its totient is φ = 82730601676800.
The previous prime is 285240291230633. The next prime is 285240291230731. The reversal of 285240291230720 is 27032192042582.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 3204947092436 + ... + 3204947092524.
Almost surely, 2285240291230720 is an apocalyptic number.
285240291230720 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 285240291230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468285659251200).
285240291230720 is an abundant number, since it is smaller than the sum of its proper divisors (651331027271680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285240291230720 is a wasteful number, since it uses less digits than its factorization.
285240291230720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265 (or 217 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 47.
The spelling of 285240291230720 in words is "two hundred eighty-five trillion, two hundred forty billion, two hundred ninety-one million, two hundred thirty thousand, seven hundred twenty".
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