Base | Representation |
---|---|
bin | 100110011010110… |
… | …0000000000001111 |
3 | 10022211122201100012 |
4 | 1030311200000033 |
5 | 10120001440020 |
6 | 331525423435 |
7 | 43642053011 |
oct | 11465400017 |
9 | 3284581305 |
10 | 1289093135 |
11 | 601728830 |
12 | 2bb86ab7b |
13 | 1770b9705 |
14 | c32c21b1 |
15 | 782887c5 |
hex | 4cd6000f |
1289093135 has 16 divisors (see below), whose sum is σ = 1733152032. Its totient is φ = 912182400.
The previous prime is 1289093129. The next prime is 1289093137. The reversal of 1289093135 is 5313909821.
It is a de Polignac number, because none of the positive numbers 2k-1289093135 is a prime.
It is a super-2 number, since 2×12890931352 = 3323522221408256450, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1289093092 and 1289093101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1289093137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314696 + ... + 318765.
It is an arithmetic number, because the mean of its divisors is an integer number (108322002).
Almost surely, 21289093135 is an apocalyptic number.
1289093135 is a deficient number, since it is larger than the sum of its proper divisors (444058897).
1289093135 is a wasteful number, since it uses less digits than its factorization.
1289093135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 633514.
The product of its (nonzero) digits is 58320, while the sum is 41.
The square root of 1289093135 is about 35903.9431678472. The cubic root of 1289093135 is about 1088.3320827850.
The spelling of 1289093135 in words is "one billion, two hundred eighty-nine million, ninety-three thousand, one hundred thirty-five".
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