Base | Representation |
---|---|
bin | 1101000101000011011001… |
… | …10111011001011100000000 |
3 | 10202211111222111010202011000 |
4 | 12202201230313121130000 |
5 | 12232204334413203311 |
6 | 141100330534452000 |
7 | 6025623410613351 |
oct | 642415467313400 |
9 | 122744874122130 |
10 | 28760927475456 |
11 | 9189493844a70 |
12 | 3286088504000 |
13 | 13081b3c98547 |
14 | 716071923d28 |
15 | 34d20ec5e056 |
hex | 1a286cdd9700 |
28760927475456 has 288 divisors, whose sum is σ = 97666365484800. Its totient is φ = 8256725176320.
The previous prime is 28760927475443. The next prime is 28760927475523. The reversal of 28760927475456 is 65457472906782.
28760927475456 is a `hidden beast` number, since 2 + 8 + 7 + 6 + 0 + 9 + 2 + 74 + 7 + 545 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (288).
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a congruent number.
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, 8509971 + ... + 11399186.
It is an arithmetic number, because the mean of its divisors is an integer number (339119324600).
Almost surely, 228760927475456 is an apocalyptic number.
It is an amenable number.
28760927475456 is an abundant number, since it is smaller than the sum of its proper divisors (68905438009344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28760927475456 is a wasteful number, since it uses less digits than its factorization.
28760927475456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19909212 (or 19909192 counting only the distinct ones).
The product of its (nonzero) digits is 1422489600, while the sum is 72.
The spelling of 28760927475456 in words is "twenty-eight trillion, seven hundred sixty billion, nine hundred twenty-seven million, four hundred seventy-five thousand, four hundred fifty-six".
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