Base | Representation |
---|---|
bin | 1000010110101110000… |
… | …10110100111100011000 |
3 | 1000102222210112202101012 |
4 | 10023113002310330120 |
5 | 14200412333342440 |
6 | 335514124113052 |
7 | 26512001024201 |
oct | 4132702647430 |
9 | 1012883482335 |
10 | 287075684120 |
11 | 100825815505 |
12 | 47779095788 |
13 | 210c0338a14 |
14 | dc748785a8 |
15 | 7702c0be65 |
hex | 42d70b4f18 |
287075684120 has 16 divisors (see below), whose sum is σ = 645920289360. Its totient is φ = 114830273632.
The previous prime is 287075684111. The next prime is 287075684131. The reversal of 287075684120 is 21486570782.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3588446012 + ... + 3588446091.
It is an arithmetic number, because the mean of its divisors is an integer number (40370018085).
Almost surely, 2287075684120 is an apocalyptic number.
287075684120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
287075684120 is an abundant number, since it is smaller than the sum of its proper divisors (358844605240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
287075684120 is a wasteful number, since it uses less digits than its factorization.
287075684120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7176892114 (or 7176892110 counting only the distinct ones).
The product of its (nonzero) digits is 1505280, while the sum is 50.
The spelling of 287075684120 in words is "two hundred eighty-seven billion, seventy-five million, six hundred eighty-four thousand, one hundred twenty".
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