Base | Representation |
---|---|
bin | 10010101100001011010… |
… | …101100110011000001101 |
3 | 11112210020000210021020121 |
4 | 102230023111212120031 |
5 | 132020410132324401 |
6 | 2422012153144541 |
7 | 161536161022621 |
oct | 22541325463015 |
9 | 4483200707217 |
10 | 1284385433101 |
11 | 455783102a51 |
12 | 188b0a0bb151 |
13 | 9416a152344 |
14 | 462438a9181 |
15 | 236231b6ca1 |
hex | 12b0b56660d |
1284385433101 has 16 divisors (see below), whose sum is σ = 1310163676848. Its totient is φ = 1258665408000.
The previous prime is 1284385433077. The next prime is 1284385433147. The reversal of 1284385433101 is 1013345834821.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 16667068201 + 1267718364900 = 129101^2 + 1125930^2 .
It is a cyclic number.
It is not a de Polignac number, because 1284385433101 - 25 = 1284385433069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1284385433501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259102915 + ... + 259107871.
It is an arithmetic number, because the mean of its divisors is an integer number (81885229803).
Almost surely, 21284385433101 is an apocalyptic number.
It is an amenable number.
1284385433101 is a deficient number, since it is larger than the sum of its proper divisors (25778243747).
1284385433101 is a wasteful number, since it uses less digits than its factorization.
1284385433101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9792.
The product of its (nonzero) digits is 276480, while the sum is 43.
The spelling of 1284385433101 in words is "one trillion, two hundred eighty-four billion, three hundred eighty-five million, four hundred thirty-three thousand, one hundred one".
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