Base | Representation |
---|---|
bin | 111110111010101… |
… | …0101000111100010 |
3 | 12110010110121211220 |
4 | 1331311111013202 |
5 | 13310422212010 |
6 | 545252515510 |
7 | 103213220112 |
oct | 17565250742 |
9 | 5403417756 |
10 | 2111132130 |
11 | 9937518a8 |
12 | 4ab01bb96 |
13 | 2784b7b13 |
14 | 160547042 |
15 | c5515970 |
hex | 7dd551e2 |
2111132130 has 16 divisors (see below), whose sum is σ = 5066717184. Its totient is φ = 562968560.
The previous prime is 2111132129. The next prime is 2111132137. The reversal of 2111132130 is 312311112.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (2111132137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35185506 + ... + 35185565.
It is an arithmetic number, because the mean of its divisors is an integer number (316669824).
Almost surely, 22111132130 is an apocalyptic number.
2111132130 is an abundant number, since it is smaller than the sum of its proper divisors (2955585054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2111132130 is a wasteful number, since it uses less digits than its factorization.
2111132130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70371081.
The product of its (nonzero) digits is 36, while the sum is 15.
The square root of 2111132130 is about 45947.0579036351. The cubic root of 2111132130 is about 1282.8379678440.
Adding to 2111132130 its reverse (312311112), we get a palindrome (2423443242).
The spelling of 2111132130 in words is "two billion, one hundred eleven million, one hundred thirty-two thousand, one hundred thirty".
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