Base | Representation |
---|---|
bin | 11010111110100001… |
… | …111100010010000000 |
3 | 2202202201100011222101 |
4 | 122332201330102000 |
5 | 433310342404410 |
6 | 21150145520144 |
7 | 2043546050353 |
oct | 327641742200 |
9 | 82681304871 |
10 | 28966372480 |
11 | 11314842411 |
12 | 5744943054 |
13 | 29681b2a96 |
14 | 158b06629a |
15 | b48003d3a |
hex | 6be87c480 |
28966372480 has 64 divisors (see below), whose sum is σ = 72892382400. Its totient is φ = 10976726016.
The previous prime is 28966372469. The next prime is 28966372483. The reversal of 28966372480 is 8427366982.
It is a tau number, because it is divible by the number of its divisors (64).
It is not an unprimeable number, because it can be changed into a prime (28966372483) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178892 + ... + 1203211.
It is an arithmetic number, because the mean of its divisors is an integer number (1138943475).
Almost surely, 228966372480 is an apocalyptic number.
28966372480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28966372480 is an abundant number, since it is smaller than the sum of its proper divisors (43926009920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28966372480 is a wasteful number, since it uses less digits than its factorization.
28966372480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2382141 (or 2382129 counting only the distinct ones).
The product of its (nonzero) digits is 6967296, while the sum is 55.
The spelling of 28966372480 in words is "twenty-eight billion, nine hundred sixty-six million, three hundred seventy-two thousand, four hundred eighty".
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