Base | Representation |
---|---|
bin | 11010100000010001… |
… | …100000111101000000 |
3 | 2201110100011021111220 |
4 | 122200101200331000 |
5 | 431240414443020 |
6 | 21023533435040 |
7 | 2025143244630 |
oct | 324021407500 |
9 | 81410137456 |
10 | 28458749760 |
11 | 11084249a01 |
12 | 562293ba80 |
13 | 28b6c8c1cc |
14 | 153d8886c0 |
15 | b18682240 |
hex | 6a0460f40 |
28458749760 has 112 divisors (see below), whose sum is σ = 103264630656. Its totient is φ = 6504855552.
The previous prime is 28458749719. The next prime is 28458749783. The reversal of 28458749760 is 6794785482.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (112).
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 28458749694 and 28458749703.
It is a congruent number.
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, 2110747 + ... + 2124186.
Almost surely, 228458749760 is an apocalyptic number.
28458749760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28458749760 is an abundant number, since it is smaller than the sum of its proper divisors (74805880896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28458749760 is a wasteful number, since it uses less digits than its factorization.
28458749760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4234960 (or 4234950 counting only the distinct ones).
The product of its (nonzero) digits is 27095040, while the sum is 60.
The spelling of 28458749760 in words is "twenty-eight billion, four hundred fifty-eight million, seven hundred forty-nine thousand, seven hundred sixty".
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