Base | Representation |
---|---|
bin | 1100110000001101010010… |
… | …11100001001101010001000 |
3 | 10200022001020021001200211202 |
4 | 12120012221130021222020 |
5 | 12133441003124022210 |
6 | 135351314451443332 |
7 | 5623106263352303 |
oct | 630065134115210 |
9 | 120261207050752 |
10 | 28044684204680 |
11 | 8a32758123650 |
12 | 318b2b7bb6548 |
13 | 12857aa54a8a0 |
14 | 6cd527243b3a |
15 | 33978eb5a9a5 |
hex | 1981a9709a88 |
28044684204680 has 64 divisors (see below), whose sum is σ = 74132102318400. Its totient is φ = 9413600290560.
The previous prime is 28044684204673. The next prime is 28044684204701. The reversal of 28044684204680 is 8640248644082.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2451452690 + ... + 2451464129.
It is an arithmetic number, because the mean of its divisors is an integer number (1158314098725).
Almost surely, 228044684204680 is an apocalyptic number.
28044684204680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28044684204680 is an abundant number, since it is smaller than the sum of its proper divisors (46087418113720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28044684204680 is a wasteful number, since it uses less digits than its factorization.
28044684204680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4902916854 (or 4902916850 counting only the distinct ones).
The product of its (nonzero) digits is 18874368, while the sum is 56.
The spelling of 28044684204680 in words is "twenty-eight trillion, forty-four billion, six hundred eighty-four million, two hundred four thousand, six hundred eighty".
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