Base | Representation |
---|---|
bin | 111111110110111… |
… | …1111110010101101 |
3 | 12112022222200220020 |
4 | 1333231333302231 |
5 | 13342021423310 |
6 | 552342512353 |
7 | 104046123651 |
oct | 17755776255 |
9 | 5468880806 |
10 | 2142764205 |
11 | 9aa59750a |
12 | 4b97356b9 |
13 | 281c1191a |
14 | 16481ca61 |
15 | c81b3170 |
hex | 7fb7fcad |
2142764205 has 16 divisors (see below), whose sum is σ = 3429386880. Its totient is φ = 1142486208.
The previous prime is 2142764179. The next prime is 2142764207. The reversal of 2142764205 is 5024672412.
It is not a de Polignac number, because 2142764205 - 27 = 2142764077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142764207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41031 + ... + 77259.
It is an arithmetic number, because the mean of its divisors is an integer number (214336680).
Almost surely, 22142764205 is an apocalyptic number.
It is an amenable number.
2142764205 is a deficient number, since it is larger than the sum of its proper divisors (1286622675).
2142764205 is a wasteful number, since it uses less digits than its factorization.
2142764205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40180.
The product of its (nonzero) digits is 26880, while the sum is 33.
The square root of 2142764205 is about 46290.0011341542. The cubic root of 2142764205 is about 1289.2133506930.
The spelling of 2142764205 in words is "two billion, one hundred forty-two million, seven hundred sixty-four thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •