Base | Representation |
---|---|
bin | 1000010110101001011… |
… | …10000100111001001100 |
3 | 1000102220002011122111101 |
4 | 10023110232010321030 |
5 | 14200322343034441 |
6 | 335510212232444 |
7 | 26511015415540 |
oct | 4132456047114 |
9 | 1012802148441 |
10 | 287036689996 |
11 | 100805801661 |
12 | 4776800b724 |
13 | 210b5234c84 |
14 | dc6d607a20 |
15 | 76ee5a8231 |
hex | 42d4b84e4c |
287036689996 has 96 divisors (see below), whose sum is σ = 593155584000. Its totient is φ = 119001166848.
The previous prime is 287036689991. The next prime is 287036690027. The reversal of 287036689996 is 699986630782.
It is a super-3 number, since 3×2870366899963 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (73).
It is not an unprimeable number, because it can be changed into a prime (287036689991) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 57763000 + ... + 57767968.
It is an arithmetic number, because the mean of its divisors is an integer number (6178704000).
Almost surely, 2287036689996 is an apocalyptic number.
It is an amenable number.
287036689996 is an abundant number, since it is smaller than the sum of its proper divisors (306118894004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
287036689996 is a wasteful number, since it uses less digits than its factorization.
287036689996 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5591 (or 5589 counting only the distinct ones).
The product of its (nonzero) digits is 423263232, while the sum is 73.
The spelling of 287036689996 in words is "two hundred eighty-seven billion, thirty-six million, six hundred eighty-nine thousand, nine hundred ninety-six".
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