Base | Representation |
---|---|
bin | 11010110101100000… |
… | …010001011110101011 |
3 | 2202101011101121202210 |
4 | 122311200101132223 |
5 | 433003111040300 |
6 | 21123140100203 |
7 | 2040026643435 |
oct | 326540213653 |
9 | 82334347683 |
10 | 28814940075 |
11 | 11247311a69 |
12 | 5702094663 |
13 | 2942a01bcc |
14 | 1574cc7655 |
15 | b39a90050 |
hex | 6b58117ab |
28814940075 has 54 divisors (see below), whose sum is σ = 50651872284. Its totient is φ = 14451425280.
The previous prime is 28814940043. The next prime is 28814940103. The reversal of 28814940075 is 57004941882.
It is a happy number.
It is not a de Polignac number, because 28814940075 - 25 = 28814940043 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 24990699 + ... + 24991851.
Almost surely, 228814940075 is an apocalyptic number.
28814940075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28814940075 is a deficient number, since it is larger than the sum of its proper divisors (21836932209).
28814940075 is an equidigital number, since it uses as much as digits as its factorization.
28814940075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2353 (or 1178 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 48.
Multiplying 28814940075 by its sum of digits (48), we get a square (1383117123600 = 11760602).
The spelling of 28814940075 in words is "twenty-eight billion, eight hundred fourteen million, nine hundred forty thousand, seventy-five".
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