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28630825261283 = 723273105914957
BaseRepresentation
bin1101000001010001000100…
…01010110101100011100011
310202101002011102212111001002
412200220202022311203203
512223041412231330113
6140520453004502215
76013336353212450
oct640504212654343
9122332142774032
1028630825261283
1191392a0501913
123264a1954a96b
1312c8b4bb8646b
1470da4ca4c827
15349b47e59c58
hex1a0a222b58e3

28630825261283 has 24 divisors (see below), whose sum is σ = 34674015290208. Its totient is φ = 23152162061952.

The previous prime is 28630825261201. The next prime is 28630825261301. The reversal of 28630825261283 is 38216252803682.

It is not a de Polignac number, because 28630825261283 - 212 = 28630825257187 is a prime.

It is a super-3 number, since 3×286308252612833 (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28630825260283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52687160 + ... + 53227797.

It is an arithmetic number, because the mean of its divisors is an integer number (1444750637092).

Almost surely, 228630825261283 is an apocalyptic number.

28630825261283 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28630825261283 is a deficient number, since it is larger than the sum of its proper divisors (6043190028925).

28630825261283 is a wasteful number, since it uses less digits than its factorization.

28630825261283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105915083 (or 105915060 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 28630825261283 in words is "twenty-eight trillion, six hundred thirty billion, eight hundred twenty-five million, two hundred sixty-one thousand, two hundred eighty-three".

Divisors: 1 7 23 73 161 511 529 1679 3703 11753 38617 270319 105914957 741404699 2436044011 7731791861 17052308077 54122543027 56029012253 177831212803 392203085771 1244818489621 4090117894469 28630825261283