Base | Representation |
---|---|
bin | 11010110100001110… |
… | …010011101000010011 |
3 | 2202022122221222010222 |
4 | 122310032103220103 |
5 | 432432110444300 |
6 | 21121051343255 |
7 | 2036346212222 |
oct | 326416235023 |
9 | 82278858128 |
10 | 28793453075 |
11 | 11236176512 |
12 | 56b6a51b2b |
13 | 293b41a9ca |
14 | 15720d2cb9 |
15 | b37c48785 |
hex | 6b4393a13 |
28793453075 has 6 divisors (see below), whose sum is σ = 35703881844. Its totient is φ = 23034762440.
The previous prime is 28793453057. The next prime is 28793453089. The reversal of 28793453075 is 57035439782.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-28793453075 is a prime.
It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 575869037 + ... + 575869086.
It is an arithmetic number, because the mean of its divisors is an integer number (5950646974).
Almost surely, 228793453075 is an apocalyptic number.
28793453075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28793453075 is a deficient number, since it is larger than the sum of its proper divisors (6910428769).
28793453075 is a wasteful number, since it uses less digits than its factorization.
28793453075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1151738133 (or 1151738128 counting only the distinct ones).
The product of its (nonzero) digits is 6350400, while the sum is 53.
The spelling of 28793453075 in words is "twenty-eight billion, seven hundred ninety-three million, four hundred fifty-three thousand, seventy-five".
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