Base | Representation |
---|---|
bin | 11010110111110101… |
… | …011000001110000001 |
3 | 2202110212221110010202 |
4 | 122313311120032001 |
5 | 433043112332022 |
6 | 21131053534545 |
7 | 2041013120045 |
oct | 326765301601 |
9 | 82425843122 |
10 | 28854027137 |
11 | 11267389721 |
12 | 57131a4455 |
13 | 294ab39050 |
14 | 157a180025 |
15 | b3d211592 |
hex | 6b7d58381 |
28854027137 has 64 divisors (see below), whose sum is σ = 34644879360. Its totient is φ = 23802240000.
The previous prime is 28854027067. The next prime is 28854027157. The reversal of 28854027137 is 73172045882.
It is not a de Polignac number, because 28854027137 - 222 = 28849832833 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a junction number, because it is equal to n+sod(n) for n = 28854027091 and 28854027100.
It is not an unprimeable number, because it can be changed into a prime (28854027157) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41160887 + ... + 41161587.
It is an arithmetic number, because the mean of its divisors is an integer number (541326240).
Almost surely, 228854027137 is an apocalyptic number.
It is an amenable number.
28854027137 is a deficient number, since it is larger than the sum of its proper divisors (5790852223).
28854027137 is a wasteful number, since it uses less digits than its factorization.
28854027137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 914.
The product of its (nonzero) digits is 752640, while the sum is 47.
The spelling of 28854027137 in words is "twenty-eight billion, eight hundred fifty-four million, twenty-seven thousand, one hundred thirty-seven".
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