Base | Representation |
---|---|
bin | 11010111010010111… |
… | …100100110011111010 |
3 | 2202120211221122010000 |
4 | 122322113210303322 |
5 | 433140003433132 |
6 | 21135213133430 |
7 | 2042040405630 |
oct | 327227446372 |
9 | 82524848100 |
10 | 28896546042 |
11 | 1128938a811 |
12 | 572548a276 |
13 | 29568a5270 |
14 | 1581a8b350 |
15 | b41d0e87c |
hex | 6ba5e4cfa |
28896546042 has 160 divisors (see below), whose sum is σ = 84380389632. Its totient is φ = 7172706816.
The previous prime is 28896545983. The next prime is 28896546061. The reversal of 28896546042 is 24064569882.
28896546042 is a `hidden beast` number, since 2 + 8 + 8 + 96 + 546 + 0 + 4 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 28896546042.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 192963 + ... + 308265.
Almost surely, 228896546042 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28896546042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42190194816).
28896546042 is an abundant number, since it is smaller than the sum of its proper divisors (55483843590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28896546042 is a wasteful number, since it uses less digits than its factorization.
28896546042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115354 (or 115345 counting only the distinct ones).
The product of its (nonzero) digits is 6635520, while the sum is 54.
The spelling of 28896546042 in words is "twenty-eight billion, eight hundred ninety-six million, five hundred forty-six thousand, forty-two".
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