Base | Representation |
---|---|
bin | 1101000101000010010100… |
… | …00110110010010001011110 |
3 | 10202211110110211210201010020 |
4 | 12202201022012302101132 |
5 | 12232202141120304112 |
6 | 141100153023253010 |
7 | 6025603100015214 |
oct | 642411206622136 |
9 | 122743424721106 |
10 | 28760344306782 |
11 | 9189214642790 |
12 | 3285b4514a166 |
13 | 1308120213a1a |
14 | 7160182bccb4 |
15 | 34d1c896848c |
hex | 1a284a1b245e |
28760344306782 has 64 divisors (see below), whose sum is σ = 64448425536768. Its totient is φ = 8479360800000.
The previous prime is 28760344306781. The next prime is 28760344306807.
It is a happy number.
28760344306782 is nontrivially palindromic in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28760344306781) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 62704282 + ... + 63161282.
It is an arithmetic number, because the mean of its divisors is an integer number (1007006649012).
Almost surely, 228760344306782 is an apocalyptic number.
28760344306782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
28760344306782 is an abundant number, since it is smaller than the sum of its proper divisors (35688081229986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28760344306782 is a wasteful number, since it uses less digits than its factorization.
28760344306782 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 482825.
The product of its (nonzero) digits is 65028096, while the sum is 60.
The spelling of 28760344306782 in words is "twenty-eight trillion, seven hundred sixty billion, three hundred forty-four million, three hundred six thousand, seven hundred eighty-two".
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