Base | Representation |
---|---|
bin | 10010101001011110011… |
… | …111001010110000101010 |
3 | 11112111201221000112122011 |
4 | 102221132133022300222 |
5 | 131443440240424200 |
6 | 2420412321150134 |
7 | 161404255611013 |
oct | 22513637126052 |
9 | 4474657015564 |
10 | 1281485483050 |
11 | 454525168613 |
12 | 18843aa8b34a |
13 | 93ac73cb276 |
14 | 4604a6a800a |
15 | 235037d75ba |
hex | 12a5e7cac2a |
1281485483050 has 12 divisors (see below), whose sum is σ = 2383562998566. Its totient is φ = 512594193200.
The previous prime is 1281485483029. The next prime is 1281485483063. The reversal of 1281485483050 is 503845841821.
It can be written as a sum of positive squares in 3 ways, for example, as 666918855801 + 614566627249 = 816651^2 + 783943^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1281485482985 and 1281485483003.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12814854781 + ... + 12814854880.
Almost surely, 21281485483050 is an apocalyptic number.
1281485483050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1281485483050 is a deficient number, since it is larger than the sum of its proper divisors (1102077515516).
1281485483050 is a wasteful number, since it uses less digits than its factorization.
1281485483050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25629709673 (or 25629709668 counting only the distinct ones).
The product of its (nonzero) digits is 1228800, while the sum is 49.
The spelling of 1281485483050 in words is "one trillion, two hundred eighty-one billion, four hundred eighty-five million, four hundred eighty-three thousand, fifty".
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