Base | Representation |
---|---|
bin | 11010111100101000… |
… | …011100100010101000 |
3 | 2202200111102001202210 |
4 | 122330220130202220 |
5 | 433224214214143 |
6 | 21143051125120 |
7 | 2043011250024 |
oct | 327450344250 |
9 | 82614361683 |
10 | 28934523048 |
11 | 112a8869472 |
12 | 57361437a0 |
13 | 2961711072 |
14 | 1586b35384 |
15 | b45312033 |
hex | 6bca1c8a8 |
28934523048 has 16 divisors (see below), whose sum is σ = 72336307680. Its totient is φ = 9644841008.
The previous prime is 28934523019. The next prime is 28934523049. The reversal of 28934523048 is 84032543982.
It is a junction number, because it is equal to n+sod(n) for n = 28934522988 and 28934523006.
It is not an unprimeable number, because it can be changed into a prime (28934523049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602802540 + ... + 602802587.
It is an arithmetic number, because the mean of its divisors is an integer number (4521019230).
Almost surely, 228934523048 is an apocalyptic number.
It is an amenable number.
28934523048 is an abundant number, since it is smaller than the sum of its proper divisors (43401784632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28934523048 is a wasteful number, since it uses less digits than its factorization.
28934523048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1205605136 (or 1205605132 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 48.
The spelling of 28934523048 in words is "twenty-eight billion, nine hundred thirty-four million, five hundred twenty-three thousand, forty-eight".
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