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28047536256 = 27373040459
BaseRepresentation
bin11010000111110000…
…110111000010000000
32200101200101110122010
4122013300313002000
5424420132130011
620515044012520
72012021060505
oct320760670200
980350343563
1028047536256
1110993115133
125529091140
13284ca228cc
1415010054ac
15ae25061a6
hex687c37080

28047536256 has 32 divisors (see below), whose sum is σ = 74501269200. Its totient is φ = 9349178624.

The previous prime is 28047536243. The next prime is 28047536269. The reversal of 28047536256 is 65263574082.

It is an interprime number because it is at equal distance from previous prime (28047536243) and next prime (28047536269).

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 36519846 + ... + 36520613.

Almost surely, 228047536256 is an apocalyptic number.

It is an amenable number.

28047536256 is an abundant number, since it is smaller than the sum of its proper divisors (46453732944).

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

28047536256 is an equidigital number, since it uses as much as digits as its factorization.

28047536256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73040476 (or 73040464 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 28047536256 in words is "twenty-eight billion, forty-seven million, five hundred thirty-six thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 73040459 146080918 219121377 292161836 438242754 584323672 876485508 1168647344 1752971016 2337294688 3505942032 4674589376 7011884064 9349178752 14023768128 28047536256