Base | Representation |
---|---|
bin | 111110111110101… |
… | …0101100111100010 |
3 | 12110021102021102001 |
4 | 1331331111213202 |
5 | 13311441400310 |
6 | 545405514214 |
7 | 103240112200 |
oct | 17575254742 |
9 | 5407367361 |
10 | 2113231330 |
11 | 994955a81 |
12 | 4ab87296a |
13 | 278a71452 |
14 | 160932070 |
15 | c57cc93a |
hex | 7df559e2 |
2113231330 has 96 divisors (see below), whose sum is σ = 4513800816. Its totient is φ = 710148096.
The previous prime is 2113231301. The next prime is 2113231333. The reversal of 2113231330 is 331323112.
It can be written as a sum of positive squares in 8 ways, for example, as 1914675049 + 198556281 = 43757^2 + 14091^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2113231298 and 2113231307.
It is not an unprimeable number, because it can be changed into a prime (2113231333) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8222562 + ... + 8222818.
Almost surely, 22113231330 is an apocalyptic number.
2113231330 is an abundant number, since it is smaller than the sum of its proper divisors (2400569486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2113231330 is a wasteful number, since it uses less digits than its factorization.
2113231330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 548 (or 541 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 2113231330 is about 45969.8959102585. The cubic root of 2113231330 is about 1283.2630227779.
Adding to 2113231330 its reverse (331323112), we get a palindrome (2444554442).
The spelling of 2113231330 in words is "two billion, one hundred thirteen million, two hundred thirty-one thousand, three hundred thirty".
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