Base | Representation |
---|---|
bin | 11010100111110010… |
… | …111110001001110100 |
3 | 2201210010122110021111 |
4 | 122213302332021310 |
5 | 432020222220003 |
6 | 21044242524404 |
7 | 2031235104430 |
oct | 324762761164 |
9 | 81703573244 |
10 | 28584960628 |
11 | 11139513004 |
12 | 5659066704 |
13 | 290717c0b3 |
14 | 155253d9c0 |
15 | b247b2e6d |
hex | 6a7cbe274 |
28584960628 has 48 divisors (see below), whose sum is σ = 60904005120. Its totient is φ = 11466075744.
The previous prime is 28584960581. The next prime is 28584960659. The reversal of 28584960628 is 82606948582.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279526 + ... + 367837.
It is an arithmetic number, because the mean of its divisors is an integer number (1268833440).
Almost surely, 228584960628 is an apocalyptic number.
28584960628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
28584960628 is an abundant number, since it is smaller than the sum of its proper divisors (32319044492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28584960628 is a wasteful number, since it uses less digits than its factorization.
28584960628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 647476 (or 647474 counting only the distinct ones).
The product of its (nonzero) digits is 13271040, while the sum is 58.
The spelling of 28584960628 in words is "twenty-eight billion, five hundred eighty-four million, nine hundred sixty thousand, six hundred twenty-eight".
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