Base | Representation |
---|---|
bin | 11010100110000010… |
… | …011010101000111001 |
3 | 2201201002010102012200 |
4 | 122212002122220321 |
5 | 431440144030113 |
6 | 21041310300413 |
7 | 2030426235330 |
oct | 324602325071 |
9 | 81632112180 |
10 | 28555455033 |
11 | 111238a0016 |
12 | 564b1b7709 |
13 | 290101b171 |
14 | 154c65cd17 |
15 | b21dd5873 |
hex | 6a609aa39 |
28555455033 has 96 divisors (see below), whose sum is σ = 51367260672. Its totient is φ = 14913331200.
The previous prime is 28555454987. The next prime is 28555455037. The reversal of 28555455033 is 33055455582.
28555455033 is a `hidden beast` number, since 2 + 8 + 55 + 545 + 50 + 3 + 3 = 666.
It is not a de Polignac number, because 28555455033 - 28 = 28555454777 is a prime.
It is a super-3 number, since 3×285554550333 (a number of 32 digits) contains 333 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 28555455033.
It is not an unprimeable number, because it can be changed into a prime (28555455037) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10229868 + ... + 10232658.
It is an arithmetic number, because the mean of its divisors is an integer number (535075632).
Almost surely, 228555455033 is an apocalyptic number.
It is an amenable number.
28555455033 is a deficient number, since it is larger than the sum of its proper divisors (22811805639).
28555455033 is a wasteful number, since it uses less digits than its factorization.
28555455033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3095 (or 3092 counting only the distinct ones).
The product of its (nonzero) digits is 1800000, while the sum is 45.
The spelling of 28555455033 in words is "twenty-eight billion, five hundred fifty-five million, four hundred fifty-five thousand, thirty-three".
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