Base | Representation |
---|---|
bin | 11010111001001001… |
… | …000001001101000010 |
3 | 2202112102012101201100 |
4 | 122321021001031002 |
5 | 433114220443322 |
6 | 21133155515230 |
7 | 2041400356533 |
oct | 327111011502 |
9 | 82472171640 |
10 | 28875952962 |
11 | 112787a493a |
12 | 571a5b8b16 |
13 | 2952544bcc |
14 | 157d04a68a |
15 | b400e2dac |
hex | 6b9241342 |
28875952962 has 48 divisors (see below), whose sum is σ = 66000654720. Its totient is φ = 9098892000.
The previous prime is 28875952961. The next prime is 28875952997. The reversal of 28875952962 is 26925957882.
28875952962 is a `hidden beast` number, since 28 + 87 + 5 + 9 + 529 + 6 + 2 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 28875952962.
It is not an unprimeable number, because it can be changed into a prime (28875952961) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66087 + ... + 249237.
It is an arithmetic number, because the mean of its divisors is an integer number (1375013640).
Almost surely, 228875952962 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28875952962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33000327360).
28875952962 is an abundant number, since it is smaller than the sum of its proper divisors (37124701758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28875952962 is a wasteful number, since it uses less digits than its factorization.
28875952962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183639 (or 183636 counting only the distinct ones).
The product of its digits is 43545600, while the sum is 63.
The spelling of 28875952962 in words is "twenty-eight billion, eight hundred seventy-five million, nine hundred fifty-two thousand, nine hundred sixty-two".
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