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28469012848 = 244463398681
BaseRepresentation
bin11010100000111000…
…101010100101110000
32201111001110200211021
4122200320222211300
5431301031402343
621024541425224
72025326421313
oct324070524560
981431420737
1028469012848
111108a0197a1
12562626b214
1328b9143743
141540d9a97a
15b1950d0ed
hex6a0e2a970

28469012848 has 20 divisors (see below), whose sum is σ = 55171209888. Its totient is φ = 14231281280.

The previous prime is 28469012827. The next prime is 28469012863. The reversal of 28469012848 is 84821096482.

It is a super-2 number, since 2×284690128482 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28469012795 and 28469012804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127933 + ... + 270748.

Almost surely, 228469012848 is an apocalyptic number.

It is an amenable number.

28469012848 is a deficient number, since it is larger than the sum of its proper divisors (26702197040).

28469012848 is a wasteful number, since it uses less digits than its factorization.

28469012848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403152 (or 403146 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 28469012848 in words is "twenty-eight billion, four hundred sixty-nine million, twelve thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 4463 8926 17852 35704 71408 398681 797362 1594724 3189448 6378896 1779313303 3558626606 7117253212 14234506424 28469012848