Base | Representation |
---|---|
bin | 1101001011100000011010… |
… | …10000111000100100101101 |
3 | 10210121201022112110201020012 |
4 | 12211300031100320210231 |
5 | 12244322442412440440 |
6 | 141350241231503005 |
7 | 6050633243626205 |
oct | 645601520704455 |
9 | 123551275421205 |
10 | 28982661843245 |
11 | 92645290413a0 |
12 | 330104a987a65 |
13 | 13230900b2976 |
14 | 722aa839b405 |
15 | 353d8b340e65 |
hex | 1a5c0d43892d |
28982661843245 has 64 divisors (see below), whose sum is σ = 40012390139904. Its totient is φ = 19947512344320.
The previous prime is 28982661843227. The next prime is 28982661843301. The reversal of 28982661843245 is 54234816628982.
It is not a de Polignac number, because 28982661843245 - 228 = 28982393407789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 104490914 + ... + 104767916.
It is an arithmetic number, because the mean of its divisors is an integer number (625193595936).
Almost surely, 228982661843245 is an apocalyptic number.
It is an amenable number.
28982661843245 is a deficient number, since it is larger than the sum of its proper divisors (11029728296659).
28982661843245 is a wasteful number, since it uses less digits than its factorization.
28982661843245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277922.
The product of its digits is 318504960, while the sum is 68.
The spelling of 28982661843245 in words is "twenty-eight trillion, nine hundred eighty-two billion, six hundred sixty-one million, eight hundred forty-three thousand, two hundred forty-five".
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