Base | Representation |
---|---|
bin | 100001001111100… |
… | …0111101010110010 |
3 | 2212201220221101221 |
4 | 1002133013222302 |
5 | 4241024013010 |
6 | 302404015254 |
7 | 36433126600 |
oct | 10237075262 |
9 | 2781827357 |
10 | 1115454130 |
11 | 52271021a |
12 | 27169152a |
13 | 14a131c3b |
14 | a8202870 |
15 | 67dd9dda |
hex | 427c7ab2 |
1115454130 has 48 divisors (see below), whose sum is σ = 2348715096. Its totient is φ = 380298240.
The previous prime is 1115454101. The next prime is 1115454139. The reversal of 1115454130 is 314545111.
It can be written as a sum of positive squares in 4 ways, for example, as 806503201 + 308950929 = 28399^2 + 17577^2 .
It is a super-2 number, since 2×11154541302 = 2488475832268113800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1115454095 and 1115454104.
It is not an unprimeable number, because it can be changed into a prime (1115454139) 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, 82402 + ... + 94978.
Almost surely, 21115454130 is an apocalyptic number.
1115454130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1115454130 is an abundant number, since it is smaller than the sum of its proper divisors (1233260966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1115454130 is a wasteful number, since it uses less digits than its factorization.
1115454130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12779 (or 12772 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 25.
The square root of 1115454130 is about 33398.4150821562. The cubic root of 1115454130 is about 1037.0918911648.
Adding to 1115454130 its reverse (314545111), we get a palindrome (1429999241).
The spelling of 1115454130 in words is "one billion, one hundred fifteen million, four hundred fifty-four thousand, one hundred thirty".
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