Base | Representation |
---|---|
bin | 111110100111100… |
… | …1011101101100010 |
3 | 12102102122120102112 |
4 | 1331033023231202 |
5 | 13300342212010 |
6 | 544254315322 |
7 | 103032220436 |
oct | 17517135542 |
9 | 5372576375 |
10 | 2101132130 |
11 | 989041739 |
12 | 4a77b8b42 |
13 | 2763c6266 |
14 | 15d0a29c6 |
15 | c46dca05 |
hex | 7d3cbb62 |
2101132130 has 8 divisors (see below), whose sum is σ = 3782037852. Its totient is φ = 840452848.
The previous prime is 2101132097. The next prime is 2101132139. The reversal of 2101132130 is 312311012.
It can be written as a sum of positive squares in 2 ways, for example, as 2067248089 + 33884041 = 45467^2 + 5821^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (2101132139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105056597 + ... + 105056616.
Almost surely, 22101132130 is an apocalyptic number.
2101132130 is a deficient number, since it is larger than the sum of its proper divisors (1680905722).
2101132130 is a wasteful number, since it uses less digits than its factorization.
2101132130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210113220.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 2101132130 is about 45838.1078361662. The cubic root of 2101132130 is about 1280.8092477871.
Adding to 2101132130 its reverse (312311012), we get a palindrome (2413443142).
The spelling of 2101132130 in words is "two billion, one hundred one million, one hundred thirty-two thousand, one hundred thirty".
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