Base | Representation |
---|---|
bin | 11010010100001000… |
… | …010011010101001011 |
3 | 2200221010210010110120 |
4 | 122110020103111023 |
5 | 430331240224300 |
6 | 20551414514323 |
7 | 2020120414560 |
oct | 322410232513 |
9 | 80833703416 |
10 | 28255008075 |
11 | 10a8a240848 |
12 | 55866659a3 |
13 | 28839c4ab8 |
14 | 15207b0867 |
15 | b058393a0 |
hex | 69421354b |
28255008075 has 48 divisors (see below), whose sum is σ = 53409438720. Its totient is φ = 12911512320.
The previous prime is 28255008037. The next prime is 28255008121. The reversal of 28255008075 is 57080055282.
It is not a de Polignac number, because 28255008075 - 26 = 28255008011 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1549662 + ... + 1567788.
It is an arithmetic number, because the mean of its divisors is an integer number (1112696640).
Almost surely, 228255008075 is an apocalyptic number.
28255008075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28255008075 is a deficient number, since it is larger than the sum of its proper divisors (25154430645).
28255008075 is a wasteful number, since it uses less digits than its factorization.
28255008075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21116 (or 21111 counting only the distinct ones).
The product of its (nonzero) digits is 224000, while the sum is 42.
The spelling of 28255008075 in words is "twenty-eight billion, two hundred fifty-five million, eight thousand, seventy-five".
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