Base | Representation |
---|---|
bin | 11010000111110000… |
… | …110111000010000000 |
3 | 2200101200101110122010 |
4 | 122013300313002000 |
5 | 424420132130011 |
6 | 20515044012520 |
7 | 2012021060505 |
oct | 320760670200 |
9 | 80350343563 |
10 | 28047536256 |
11 | 10993115133 |
12 | 5529091140 |
13 | 284ca228cc |
14 | 15010054ac |
15 | ae25061a6 |
hex | 687c37080 |
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".
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