Base | Representation |
---|---|
bin | 1101000100111110001101… |
… | …10111011110111101111000 |
3 | 10202211020210101200022221100 |
4 | 12202133012313132331320 |
5 | 12232133133433331443 |
6 | 141055150330411400 |
7 | 6025464402550656 |
oct | 642370667367570 |
9 | 122736711608840 |
10 | 28758142480248 |
11 | 9188294785935 |
12 | 328562b890b60 |
13 | 1307b5bcc2b9c |
14 | 715c89ac7dd6 |
15 | 34d0ea4da3d3 |
hex | 1a27c6ddef78 |
28758142480248 has 48 divisors (see below), whose sum is σ = 77886882960120. Its totient is φ = 9586017084096.
The previous prime is 28758142480229. The next prime is 28758142480261. The reversal of 28758142480248 is 84208424185782.
It is a happy number.
28758142480248 is a `hidden beast` number, since 2 + 8 + 7 + 5 + 8 + 142 + 480 + 2 + 4 + 8 = 666.
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, 42104715 + ... + 42782277.
Almost surely, 228758142480248 is an apocalyptic number.
It is an amenable number.
28758142480248 is an abundant number, since it is smaller than the sum of its proper divisors (49128740479872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28758142480248 is a wasteful number, since it uses less digits than its factorization.
28758142480248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1267068 (or 1267061 counting only the distinct ones).
The product of its (nonzero) digits is 73400320, while the sum is 63.
The spelling of 28758142480248 in words is "twenty-eight trillion, seven hundred fifty-eight billion, one hundred forty-two million, four hundred eighty thousand, two hundred forty-eight".
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