Base | Representation |
---|---|
bin | 11010011000110100… |
… | …001001011101111000 |
3 | 2201010121200120020021 |
4 | 122120310021131320 |
5 | 431011401021442 |
6 | 21003303340224 |
7 | 2022063501340 |
oct | 323064113570 |
9 | 81117616207 |
10 | 28333610872 |
11 | 1101a648236 |
12 | 55a8a51674 |
13 | 2897086228 |
14 | 152add1d20 |
15 | b0c6b3e67 |
hex | 698d09778 |
28333610872 has 16 divisors (see below), whose sum is σ = 60714880560. Its totient is φ = 12142976064.
The previous prime is 28333610867. The next prime is 28333610897. The reversal of 28333610872 is 27801633382.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252978613 + ... + 252978724.
It is an arithmetic number, because the mean of its divisors is an integer number (3794680035).
Almost surely, 228333610872 is an apocalyptic number.
It is an amenable number.
28333610872 is an abundant number, since it is smaller than the sum of its proper divisors (32381269688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28333610872 is a wasteful number, since it uses less digits than its factorization.
28333610872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 505957350 (or 505957346 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 43.
The spelling of 28333610872 in words is "twenty-eight billion, three hundred thirty-three million, six hundred ten thousand, eight hundred seventy-two".
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