Base | Representation |
---|---|
bin | 111111100000110… |
… | …1000000000001110 |
3 | 12111112002202002202 |
4 | 1333001220000032 |
5 | 13331032214210 |
6 | 551245321502 |
7 | 103545220040 |
oct | 17701500016 |
9 | 5445082082 |
10 | 2131132430 |
11 | 9a3a72379 |
12 | 4b5866292 |
13 | 27c69b40b |
14 | 163071a90 |
15 | c71669a5 |
hex | 7f06800e |
2131132430 has 16 divisors (see below), whose sum is σ = 4384044000. Its totient is φ = 730673952.
The previous prime is 2131132411. The next prime is 2131132433. The reversal of 2131132430 is 342311312.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131132433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15222305 + ... + 15222444.
It is an arithmetic number, because the mean of its divisors is an integer number (274002750).
Almost surely, 22131132430 is an apocalyptic number.
2131132430 is an abundant number, since it is smaller than the sum of its proper divisors (2252911570).
2131132430 is a wasteful number, since it uses less digits than its factorization.
2131132430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30444763.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 2131132430 is about 46164.1899094959. The cubic root of 2131132430 is about 1286.8763294794.
Adding to 2131132430 its reverse (342311312), we get a palindrome (2473443742).
The spelling of 2131132430 in words is "two billion, one hundred thirty-one million, one hundred thirty-two thousand, four hundred thirty".
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