Base | Representation |
---|---|
bin | 1101000110011111111001… |
… | …01101001100100100000011 |
3 | 10210000021011020012200110212 |
4 | 12203033330231030210003 |
5 | 12234013034323020033 |
6 | 141135222235344335 |
7 | 6032332106643002 |
oct | 643177455144403 |
9 | 123007136180425 |
10 | 28810585360643 |
11 | 91a85563890a9 |
12 | 32938268b20ab |
13 | 130ca98bb3168 |
14 | 718622a3ac39 |
15 | 34e669576748 |
hex | 1a33fcb4c903 |
28810585360643 has 8 divisors (see below), whose sum is σ = 28875921037248. Its totient is φ = 28745251038504.
The previous prime is 28810585360639. The next prime is 28810585360699. The reversal of 28810585360643 is 34606358501882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28810585360643 - 22 = 28810585360639 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28810585360343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51091196 + ... + 51652022.
It is an arithmetic number, because the mean of its divisors is an integer number (3609490129656).
Almost surely, 228810585360643 is an apocalyptic number.
28810585360643 is a deficient number, since it is larger than the sum of its proper divisors (65335676605).
28810585360643 is a wasteful number, since it uses less digits than its factorization.
28810585360643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 677233.
The product of its (nonzero) digits is 33177600, while the sum is 59.
The spelling of 28810585360643 in words is "twenty-eight trillion, eight hundred ten billion, five hundred eighty-five million, three hundred sixty thousand, six hundred forty-three".
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