Base | Representation |
---|---|
bin | 1010100100111001… |
… | …1110000011111111 |
3 | 21022212100101112200 |
4 | 2221032132003333 |
5 | 21303310031110 |
6 | 1145420402543 |
7 | 130233212556 |
oct | 25116360377 |
9 | 7285311480 |
10 | 2839142655 |
11 | 1227692998 |
12 | 6729a6453 |
13 | 36328378b |
14 | 1cd0d2d9d |
15 | 1193bc6c0 |
hex | a939e0ff |
2839142655 has 24 divisors (see below), whose sum is σ = 5135146848. Its totient is φ = 1448373696.
The previous prime is 2839142629. The next prime is 2839142689. The reversal of 2839142655 is 5562419382.
It is not a de Polignac number, because 2839142655 - 29 = 2839142143 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 2839142655.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 1370532 + ... + 1372601.
It is an arithmetic number, because the mean of its divisors is an integer number (213964452).
Almost surely, 22839142655 is an apocalyptic number.
2839142655 is a deficient number, since it is larger than the sum of its proper divisors (2296004193).
2839142655 is a wasteful number, since it uses less digits than its factorization.
2839142655 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2743167 (or 2743164 counting only the distinct ones).
The product of its digits is 518400, while the sum is 45.
The square root of 2839142655 is about 53283.6058746027. The cubic root of 2839142655 is about 1415.9972334883.
The spelling of 2839142655 in words is "two billion, eight hundred thirty-nine million, one hundred forty-two thousand, six hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •