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28552636848 = 2434297138433
BaseRepresentation
bin11010100101110111…
…101010100110110000
32201200212211020101110
4122211313222212300
5431433433334343
621041130033320
72030363260131
oct324567524660
981625736343
1028552636848
111112224573a
12564a278840
1329005724b8
14154c127c88
15b21a2a833
hex6a5dea9b0

28552636848 has 40 divisors (see below), whose sum is σ = 73778677168. Its totient is φ = 9515261952.

The previous prime is 28552636829. The next prime is 28552636867. The reversal of 28552636848 is 84863625582.

It is an interprime number because it is at equal distance from previous prime (28552636829) and next prime (28552636867).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 137040 + ... + 275472.

Almost surely, 228552636848 is an apocalyptic number.

It is an amenable number.

28552636848 is an abundant number, since it is smaller than the sum of its proper divisors (45226040320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28552636848 is a wasteful number, since it uses less digits than its factorization.

28552636848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142741 (or 142735 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 57.

The spelling of 28552636848 in words is "twenty-eight billion, five hundred fifty-two million, six hundred thirty-six thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 4297 8594 12891 17188 25782 34376 51564 68752 103128 138433 206256 276866 415299 553732 830598 1107464 1661196 2214928 3322392 6644784 594846601 1189693202 1784539803 2379386404 3569079606 4758772808 7138159212 9517545616 14276318424 28552636848