Base | Representation |
---|---|
bin | 100000111011110… |
… | …1111111001000101 |
3 | 2212000111120122111 |
4 | 1001313233321011 |
5 | 4230403230000 |
6 | 301354501021 |
7 | 36246322315 |
oct | 10167577105 |
9 | 2760446574 |
10 | 1105133125 |
11 | 517900968 |
12 | 26a134771 |
13 | 147c5a235 |
14 | a6ab7445 |
15 | 6704bcba |
hex | 41defe45 |
1105133125 has 20 divisors (see below), whose sum is σ = 1395287740. Its totient is φ = 874944000.
The previous prime is 1105133087. The next prime is 1105133177. The reversal of 1105133125 is 5213315011.
It can be written as a sum of positive squares in 10 ways, for example, as 477029281 + 628103844 = 21841^2 + 25062^2 .
It is not a de Polignac number, because 1105133125 - 27 = 1105132997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1105133096 and 1105133105.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51511 + ... + 69739.
It is an arithmetic number, because the mean of its divisors is an integer number (69764387).
Almost surely, 21105133125 is an apocalyptic number.
It is an amenable number.
1105133125 is a deficient number, since it is larger than the sum of its proper divisors (290154615).
1105133125 is an frugal number, since it uses more digits than its factorization.
1105133125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18346 (or 18331 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 22.
The square root of 1105133125 is about 33243.5426060461. The cubic root of 1105133125 is about 1033.8833281505.
Adding to 1105133125 its reverse (5213315011), we get a palindrome (6318448136).
The spelling of 1105133125 in words is "one billion, one hundred five million, one hundred thirty-three thousand, one hundred twenty-five".
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