Base | Representation |
---|---|
bin | 11010010111111001… |
… | …110101110011111000 |
3 | 2201002112221000100012 |
4 | 122113321311303320 |
5 | 430443442413013 |
6 | 21002000001052 |
7 | 2021516541140 |
oct | 322771656370 |
9 | 81075830305 |
10 | 28318326008 |
11 | 11011a58515 |
12 | 55a3900188 |
13 | 2893b6402b |
14 | 1528d73920 |
15 | b0b1951a8 |
hex | 697e75cf8 |
28318326008 has 16 divisors (see below), whose sum is σ = 60682127280. Its totient is φ = 12136425408.
The previous prime is 28318325989. The next prime is 28318326037. The reversal of 28318326008 is 80062381382.
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, 252842141 + ... + 252842252.
It is an arithmetic number, because the mean of its divisors is an integer number (3792632955).
Almost surely, 228318326008 is an apocalyptic number.
28318326008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
28318326008 is an abundant number, since it is smaller than the sum of its proper divisors (32363801272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28318326008 is a wasteful number, since it uses less digits than its factorization.
28318326008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 505684406 (or 505684402 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 41.
The spelling of 28318326008 in words is "twenty-eight billion, three hundred eighteen million, three hundred twenty-six thousand, eight".
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