Base | Representation |
---|---|
bin | 11010001010010000… |
… | …011011111100100000 |
3 | 2200111121002202111000 |
4 | 122022100123330200 |
5 | 430011334241402 |
6 | 20523140352000 |
7 | 2013036456123 |
oct | 321220337440 |
9 | 80447082430 |
10 | 28089368352 |
11 | 10a04797211 |
12 | 553b0a5600 |
13 | 28585ab326 |
14 | 15067b43ba |
15 | ae601ac1c |
hex | 68a41bf20 |
28089368352 has 96 divisors (see below), whose sum is σ = 86239339200. Its totient is φ = 8870321664.
The previous prime is 28089368341. The next prime is 28089368381. The reversal of 28089368352 is 25386398082.
28089368352 is a `hidden beast` number, since 280 + 8 + 9 + 3 + 6 + 8 + 352 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×280893683522 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
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, 839133 + ... + 871964.
It is an arithmetic number, because the mean of its divisors is an integer number (898326450).
Almost surely, 228089368352 is an apocalyptic number.
It is an amenable number.
28089368352 is an abundant number, since it is smaller than the sum of its proper divisors (58149970848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28089368352 is a wasteful number, since it uses less digits than its factorization.
28089368352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1711135 (or 1711121 counting only the distinct ones).
The product of its (nonzero) digits is 4976640, while the sum is 54.
The spelling of 28089368352 in words is "twenty-eight billion, eighty-nine million, three hundred sixty-eight thousand, three hundred fifty-two".
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