Base | Representation |
---|---|
bin | 11010010110111011… |
… | …101100110110111000 |
3 | 2201001102021102012200 |
4 | 122112323230312320 |
5 | 430430310131113 |
6 | 21000214510200 |
7 | 2021231224452 |
oct | 322673546670 |
9 | 81042242180 |
10 | 28302036408 |
11 | 11003841938 |
12 | 559a365360 |
13 | 289067c709 |
14 | 1526b332d2 |
15 | b09a28873 |
hex | 696eecdb8 |
28302036408 has 48 divisors (see below), whose sum is σ = 76681917000. Its totient is φ = 9430249920.
The previous prime is 28302036379. The next prime is 28302036421. The reversal of 28302036408 is 80463020382.
28302036408 is a `hidden beast` number, since 2 + 8 + 3 + 0 + 2 + 0 + 3 + 640 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106423 + ... + 260633.
Almost surely, 228302036408 is an apocalyptic number.
It is an amenable number.
28302036408 is an abundant number, since it is smaller than the sum of its proper divisors (48379880592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28302036408 is a wasteful number, since it uses less digits than its factorization.
28302036408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156772 (or 156765 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
The spelling of 28302036408 in words is "twenty-eight billion, three hundred two million, thirty-six thousand, four hundred eight".
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