Base | Representation |
---|---|
bin | 100111101010111… |
… | …0111101011010101 |
3 | 10102202202120101110 |
4 | 1033111313223111 |
5 | 10211232230031 |
6 | 340030445233 |
7 | 44662305432 |
oct | 11725675325 |
9 | 3382676343 |
10 | 1331133141 |
11 | 623432038 |
12 | 311963819 |
13 | 182a18960 |
14 | c8b06b89 |
15 | 7bcdec46 |
hex | 4f577ad5 |
1331133141 has 32 divisors (see below), whose sum is σ = 2016000000. Its totient is φ = 774491328.
The previous prime is 1331133113. The next prime is 1331133151. The reversal of 1331133141 is 1413311331.
It is not a de Polignac number, because 1331133141 - 26 = 1331133077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1331133151) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442360 + ... + 445358.
It is an arithmetic number, because the mean of its divisors is an integer number (63000000).
Almost surely, 21331133141 is an apocalyptic number.
It is an amenable number.
1331133141 is a deficient number, since it is larger than the sum of its proper divisors (684866859).
1331133141 is a wasteful number, since it uses less digits than its factorization.
1331133141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3633.
The product of its digits is 324, while the sum is 21.
The square root of 1331133141 is about 36484.6973538222. The cubic root of 1331133141 is about 1100.0366767385.
Adding to 1331133141 its reverse (1413311331), we get a palindrome (2744444472).
The spelling of 1331133141 in words is "one billion, three hundred thirty-one million, one hundred thirty-three thousand, one hundred forty-one".
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