Base | Representation |
---|---|
bin | 111111100001001… |
… | …0011010111010000 |
3 | 12111112102202201121 |
4 | 1333002103113100 |
5 | 13331103410112 |
6 | 551253212024 |
7 | 103546556605 |
oct | 17702232720 |
9 | 5445382647 |
10 | 2131310032 |
11 | 9a4083855 |
12 | 4b5931014 |
13 | 27c7311c7 |
14 | 1630ba6ac |
15 | c719e407 |
hex | 7f0935d0 |
2131310032 has 40 divisors (see below), whose sum is σ = 4190426240. Its totient is φ = 1049967360.
The previous prime is 2131310023. The next prime is 2131310053. The reversal of 2131310032 is 2300131312.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 2131309988 and 2131310015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720268 + ... + 723220.
It is an arithmetic number, because the mean of its divisors is an integer number (104760656).
Almost surely, 22131310032 is an apocalyptic number.
It is an amenable number.
2131310032 is a deficient number, since it is larger than the sum of its proper divisors (2059116208).
2131310032 is a wasteful number, since it uses less digits than its factorization.
2131310032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3611 (or 3605 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 2131310032 is about 46166.1134599827. The cubic root of 2131310032 is about 1286.9120765870.
Adding to 2131310032 its reverse (2300131312), we get a palindrome (4431441344).
The spelling of 2131310032 in words is "two billion, one hundred thirty-one million, three hundred ten thousand, thirty-two".
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