Base | Representation |
---|---|
bin | 111111110011111… |
… | …0001001010100101 |
3 | 12112012220202011001 |
4 | 1333213301022211 |
5 | 13341112201204 |
6 | 552243513301 |
7 | 104026213453 |
oct | 17747611245 |
9 | 5465822131 |
10 | 2141131429 |
11 | 9a9681808 |
12 | 4b9088831 |
13 | 28178c698 |
14 | 1645159d3 |
15 | c7e8e4a4 |
hex | 7f9f12a5 |
2141131429 has 4 divisors (see below), whose sum is σ = 2198999884. Its totient is φ = 2083262976.
The previous prime is 2141131411. The next prime is 2141131441. The reversal of 2141131429 is 9241311412.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 945562500 + 1195568929 = 30750^2 + 34577^2 .
It is a cyclic number.
It is not a de Polignac number, because 2141131429 - 217 = 2141000357 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2141131397 and 2141131406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2141131469) 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, 28934172 + ... + 28934245.
It is an arithmetic number, because the mean of its divisors is an integer number (549749971).
Almost surely, 22141131429 is an apocalyptic number.
It is an amenable number.
2141131429 is a deficient number, since it is larger than the sum of its proper divisors (57868455).
2141131429 is an equidigital number, since it uses as much as digits as its factorization.
2141131429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57868454.
The product of its digits is 1728, while the sum is 28.
The square root of 2141131429 is about 46272.3613942492. The cubic root of 2141131429 is about 1288.8858093634.
The spelling of 2141131429 in words is "two billion, one hundred forty-one million, one hundred thirty-one thousand, four hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •