Base | Representation |
---|---|
bin | 11010010111111010… |
… | …011101011011011110 |
3 | 2201002120020020221111 |
4 | 122113322131123132 |
5 | 430444013111121 |
6 | 21002003252234 |
7 | 2021521115224 |
oct | 322772353336 |
9 | 81076206844 |
10 | 28318488286 |
11 | 11012059430 |
12 | 55a397a07a |
13 | 2893bbcb5a |
14 | 1528db6b14 |
15 | b0b1c82e1 |
hex | 697e9d6de |
28318488286 has 8 divisors (see below), whose sum is σ = 46339344504. Its totient is φ = 12872040120.
The previous prime is 28318488277. The next prime is 28318488287. The reversal of 28318488286 is 68288481382.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 28318488286.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28318488287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643601985 + ... + 643602028.
It is an arithmetic number, because the mean of its divisors is an integer number (5792418063).
Almost surely, 228318488286 is an apocalyptic number.
28318488286 is a deficient number, since it is larger than the sum of its proper divisors (18020856218).
28318488286 is a wasteful number, since it uses less digits than its factorization.
28318488286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1287204026.
The product of its digits is 9437184, while the sum is 58.
The spelling of 28318488286 in words is "twenty-eight billion, three hundred eighteen million, four hundred eighty-eight thousand, two hundred eighty-six".
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