Base | Representation |
---|---|
bin | 111111100010011… |
… | …1011111010010101 |
3 | 12111120201211201222 |
4 | 1333010323322111 |
5 | 13331243003110 |
6 | 551320100125 |
7 | 103555463423 |
oct | 17704737225 |
9 | 5446654658 |
10 | 2132000405 |
11 | 9a4505507 |
12 | 4b6004645 |
13 | 27c913502 |
14 | 16321a113 |
15 | c7288c55 |
hex | 7f13be95 |
2132000405 has 8 divisors (see below), whose sum is σ = 2593447512. Its totient is φ = 1682235648.
The previous prime is 2132000363. The next prime is 2132000407. The reversal of 2132000405 is 5040002312.
It can be written as a sum of positive squares in 4 ways, for example, as 227376241 + 1904624164 = 15079^2 + 43642^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2132000405 - 216 = 2131934869 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2132000407) 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, 2920184 + ... + 2920913.
It is an arithmetic number, because the mean of its divisors is an integer number (324180939).
Almost surely, 22132000405 is an apocalyptic number.
It is an amenable number.
2132000405 is a deficient number, since it is larger than the sum of its proper divisors (461447107).
2132000405 is an equidigital number, since it uses as much as digits as its factorization.
2132000405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5841175.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 2132000405 is about 46173.5899080849. The cubic root of 2132000405 is about 1287.0510135829.
Adding to 2132000405 its reverse (5040002312), we get a palindrome (7172002717).
The spelling of 2132000405 in words is "two billion, one hundred thirty-two million, four hundred five", and thus it is an aban number.
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