Base | Representation |
---|---|
bin | 1100110100001101001010… |
… | …00000001011110010001000 |
3 | 10200210011210102121222110200 |
4 | 12122012211000023302020 |
5 | 12143213313432433320 |
6 | 135534353210012200 |
7 | 5636041303430664 |
oct | 632064500136210 |
9 | 120704712558420 |
10 | 28182048717960 |
11 | 8a85a37884595 |
12 | 31b1a53117060 |
13 | 129572c0c3487 |
14 | 6d60388338a4 |
15 | 33d12e2dc290 |
hex | 19a1a500bc88 |
28182048717960 has 48 divisors (see below), whose sum is σ = 91591658334540. Its totient is φ = 7515212991360.
The previous prime is 28182048717919. The next prime is 28182048717989. The reversal of 28182048717960 is 6971784028182.
28182048717960 is a `hidden beast` number, since 2 + 8 + 1 + 8 + 20 + 487 + 1 + 79 + 60 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 28178197522596 + 3851195364 = 5308314^2 + 62058^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39141733971 + ... + 39141734690.
Almost surely, 228182048717960 is an apocalyptic number.
28182048717960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28182048717960 is an abundant number, since it is smaller than the sum of its proper divisors (63409609616580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28182048717960 is a wasteful number, since it uses less digits than its factorization.
28182048717960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78283468678 (or 78283468671 counting only the distinct ones).
The product of its (nonzero) digits is 21676032, while the sum is 63.
The spelling of 28182048717960 in words is "twenty-eight trillion, one hundred eighty-two billion, forty-eight million, seven hundred seventeen thousand, nine hundred sixty".
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