Base | Representation |
---|---|
bin | 11010110110010010… |
… | …101000011100001000 |
3 | 2202102002020022110210 |
4 | 122312102220130020 |
5 | 433020001010240 |
6 | 21124331041120 |
7 | 2040250105146 |
oct | 326622503410 |
9 | 82362208423 |
10 | 28828141320 |
11 | 11253809290 |
12 | 57065a01a0 |
13 | 29456748b4 |
14 | 1576962596 |
15 | b3aceb780 |
hex | 6b64a8708 |
28828141320 has 128 divisors (see below), whose sum is σ = 94759632000. Its totient is φ = 6958049280.
The previous prime is 28828141291. The next prime is 28828141379. The reversal of 28828141320 is 2314182882.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254596 + ... + 349964.
It is an arithmetic number, because the mean of its divisors is an integer number (740309625).
Almost surely, 228828141320 is an apocalyptic number.
28828141320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28828141320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47379816000).
28828141320 is an abundant number, since it is smaller than the sum of its proper divisors (65931490680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28828141320 is a wasteful number, since it uses less digits than its factorization.
28828141320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95623 (or 95619 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 39.
The spelling of 28828141320 in words is "twenty-eight billion, eight hundred twenty-eight million, one hundred forty-one thousand, three hundred twenty".
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