Base | Representation |
---|---|
bin | 11010100100100001… |
… | …100000111111011000 |
3 | 2201122022022212021121 |
4 | 122210201200333120 |
5 | 431412143144310 |
6 | 21035002015024 |
7 | 2030000310214 |
oct | 324441407730 |
9 | 81568285247 |
10 | 28530053080 |
11 | 11110520171 |
12 | 56427a7474 |
13 | 28c8996019 |
14 | 1549129944 |
15 | b1ea690da |
hex | 6a4860fd8 |
28530053080 has 16 divisors (see below), whose sum is σ = 64192619520. Its totient is φ = 11412021216.
The previous prime is 28530053059. The next prime is 28530053081. The reversal of 28530053080 is 8035003582.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28530053081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356625624 + ... + 356625703.
It is an arithmetic number, because the mean of its divisors is an integer number (4012038720).
Almost surely, 228530053080 is an apocalyptic number.
28530053080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28530053080 is an abundant number, since it is smaller than the sum of its proper divisors (35662566440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28530053080 is a wasteful number, since it uses less digits than its factorization.
28530053080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 713251338 (or 713251334 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 34.
The spelling of 28530053080 in words is "twenty-eight billion, five hundred thirty million, fifty-three thousand, eighty".
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