Base | Representation |
---|---|
bin | 11010010101000000… |
… | …100100111000101100 |
3 | 2200222011112121100210 |
4 | 122111000210320230 |
5 | 430344024310134 |
6 | 20553103022420 |
7 | 2020356665331 |
oct | 322500447054 |
9 | 80864477323 |
10 | 28269760044 |
11 | 10a975a7159 |
12 | 558b59aa10 |
13 | 2886a8b586 |
14 | 1522730988 |
15 | b06ca02e9 |
hex | 695024e2c |
28269760044 has 24 divisors (see below), whose sum is σ = 65978864560. Its totient is φ = 9420954624.
The previous prime is 28269760031. The next prime is 28269760067. The reversal of 28269760044 is 44006796282.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 28269759975 and 28269760002.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235729 + ... + 334824.
Almost surely, 228269760044 is an apocalyptic number.
It is an amenable number.
28269760044 is an abundant number, since it is smaller than the sum of its proper divisors (37709104516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28269760044 is a wasteful number, since it uses less digits than its factorization.
28269760044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 574689 (or 574687 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 48.
The spelling of 28269760044 in words is "twenty-eight billion, two hundred sixty-nine million, seven hundred sixty thousand, forty-four".
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