Base | Representation |
---|---|
bin | 100110001101011… |
… | …0100111110000001 |
3 | 10022100111111002201 |
4 | 1030122310332001 |
5 | 10111204213441 |
6 | 331115513201 |
7 | 43525452100 |
oct | 11432647601 |
9 | 3270444081 |
10 | 1282101121 |
11 | 5a8792604 |
12 | 2b9458801 |
13 | 17580c022 |
14 | c23c2037 |
15 | 77856c31 |
hex | 4c6b4f81 |
1282101121 has 24 divisors (see below), whose sum is σ = 1647838080. Its totient is φ = 989315712.
The previous prime is 1282101059. The next prime is 1282101127. The reversal of 1282101121 is 1211012821.
It is not a de Polignac number, because 1282101121 - 219 = 1281576833 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1282101127) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14301 + ... + 52618.
It is an arithmetic number, because the mean of its divisors is an integer number (68659920).
Almost surely, 21282101121 is an apocalyptic number.
It is an amenable number.
1282101121 is a deficient number, since it is larger than the sum of its proper divisors (365736959).
1282101121 is a wasteful number, since it uses less digits than its factorization.
1282101121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66973 (or 66966 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 19.
The square root of 1282101121 is about 35806.4396582514. The cubic root of 1282101121 is about 1086.3608176829.
Adding to 1282101121 its reverse (1211012821), we get a palindrome (2493113942).
The spelling of 1282101121 in words is "one billion, two hundred eighty-two million, one hundred one thousand, one hundred twenty-one".
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