Base | Representation |
---|---|
bin | 11010110001111001… |
… | …100101111110101000 |
3 | 2202012221121100202001 |
4 | 122301321211332220 |
5 | 432342121000101 |
6 | 21113140020344 |
7 | 2035363644325 |
oct | 326171457650 |
9 | 82187540661 |
10 | 28754468776 |
11 | 11216169a90 |
12 | 56a59916b4 |
13 | 293331b587 |
14 | 156ac65b4c |
15 | b345e7901 |
hex | 6b1e65fa8 |
28754468776 has 32 divisors (see below), whose sum is σ = 60067370880. Its totient is φ = 12792121600.
The previous prime is 28754468749. The next prime is 28754468777. The reversal of 28754468776 is 67786445782.
It is not an unprimeable number, because it can be changed into a prime (28754468777) 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, 3471985 + ... + 3480256.
It is an arithmetic number, because the mean of its divisors is an integer number (1877105340).
Almost surely, 228754468776 is an apocalyptic number.
It is an amenable number.
28754468776 is an abundant number, since it is smaller than the sum of its proper divisors (31312902104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28754468776 is a wasteful number, since it uses less digits than its factorization.
28754468776 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6952305 (or 6952301 counting only the distinct ones).
The product of its digits is 126443520, while the sum is 64.
The spelling of 28754468776 in words is "twenty-eight billion, seven hundred fifty-four million, four hundred sixty-eight thousand, seven hundred seventy-six".
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