Base | Representation |
---|---|
bin | 11010111110010000… |
… | …010001101110110100 |
3 | 2202202101121220210210 |
4 | 122332100101232310 |
5 | 433303201213443 |
6 | 21145502345420 |
7 | 2043461512602 |
oct | 327620215664 |
9 | 82671556723 |
10 | 28961741748 |
11 | 1131216a265 |
12 | 574328b270 |
13 | 29672510c4 |
14 | 158a5bc872 |
15 | b478dbc33 |
hex | 6be411bb4 |
28961741748 has 24 divisors (see below), whose sum is σ = 67580352000. Its totient is φ = 9653491840.
The previous prime is 28961741741. The next prime is 28961741759. The reversal of 28961741748 is 84714716982.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28961741741) 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, 366253 + ... + 438251.
It is an arithmetic number, because the mean of its divisors is an integer number (2815848000).
Almost surely, 228961741748 is an apocalyptic number.
It is an amenable number.
28961741748 is an abundant number, since it is smaller than the sum of its proper divisors (38618610252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28961741748 is a wasteful number, since it uses less digits than its factorization.
28961741748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105527 (or 105525 counting only the distinct ones).
The product of its digits is 5419008, while the sum is 57.
The spelling of 28961741748 in words is "twenty-eight billion, nine hundred sixty-one million, seven hundred forty-one thousand, seven hundred forty-eight".
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