Base | Representation |
---|---|
bin | 111111110010011… |
… | …0001001011011111 |
3 | 12112011102210110002 |
4 | 1333210301023133 |
5 | 13340412020210 |
6 | 552215004515 |
7 | 104016430022 |
oct | 17744611337 |
9 | 5464383402 |
10 | 2140345055 |
11 | 9a9194a12 |
12 | 4b896973b |
13 | 281575784 |
14 | 16438d1b9 |
15 | c7d864a5 |
hex | 7f9312df |
2140345055 has 16 divisors (see below), whose sum is σ = 2610957888. Its totient is φ = 1684032000.
The previous prime is 2140345049. The next prime is 2140345093. The reversal of 2140345055 is 5505430412.
It is not a de Polignac number, because 2140345055 - 28 = 2140344799 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142295 + ... + 156615.
It is an arithmetic number, because the mean of its divisors is an integer number (163184868).
Almost surely, 22140345055 is an apocalyptic number.
2140345055 is a deficient number, since it is larger than the sum of its proper divisors (470612833).
2140345055 is a wasteful number, since it uses less digits than its factorization.
2140345055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14818.
The product of its (nonzero) digits is 12000, while the sum is 29.
The square root of 2140345055 is about 46263.8633816935. The cubic root of 2140345055 is about 1288.7280002127.
Adding to 2140345055 its reverse (5505430412), we get a palindrome (7645775467).
The spelling of 2140345055 in words is "two billion, one hundred forty million, three hundred forty-five thousand, fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •