Base | Representation |
---|---|
bin | 11010010110000010… |
… | …011010001010111110 |
3 | 2201000101000101100211 |
4 | 122112002122022332 |
5 | 430412434031122 |
6 | 20554520543034 |
7 | 2020656453151 |
oct | 322602321276 |
9 | 81011011324 |
10 | 28287017662 |
11 | 10aa6314052 |
12 | 5595321a7a |
13 | 288a521697 |
14 | 1524b43c98 |
15 | b0855d877 |
hex | 69609a2be |
28287017662 has 8 divisors (see below), whose sum is σ = 42432592176. Its totient is φ = 14142820272.
The previous prime is 28287017653. The next prime is 28287017663. The reversal of 28287017662 is 26671078282.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28287017663) 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 3 ways as a sum of consecutive naturals, for example, 291298 + ... + 376069.
It is an arithmetic number, because the mean of its divisors is an integer number (5304074022).
Almost surely, 228287017662 is an apocalyptic number.
28287017662 is a deficient number, since it is larger than the sum of its proper divisors (14145574514).
28287017662 is a wasteful number, since it uses less digits than its factorization.
28287017662 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 688562.
The product of its (nonzero) digits is 903168, while the sum is 49.
The spelling of 28287017662 in words is "twenty-eight billion, two hundred eighty-seven million, seventeen thousand, six hundred sixty-two".
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