Base | Representation |
---|---|
bin | 1000000010111110… |
… | …0110000011011101 |
3 | 12120112100100111002 |
4 | 2000233212003131 |
5 | 13410422212120 |
6 | 554155240045 |
7 | 104345234210 |
oct | 20057460335 |
9 | 5515310432 |
10 | 2159960285 |
11 | a0927214a |
12 | 503449025 |
13 | 285652a12 |
14 | 166c17777 |
15 | c995d375 |
hex | 80be60dd |
2159960285 has 48 divisors (see below), whose sum is σ = 3098551680. Its totient is φ = 1415543040.
The previous prime is 2159960249. The next prime is 2159960303. The reversal of 2159960285 is 5820699512.
It is not a de Polignac number, because 2159960285 - 226 = 2092851421 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2922446 + ... + 2923184.
It is an arithmetic number, because the mean of its divisors is an integer number (64553160).
Almost surely, 22159960285 is an apocalyptic number.
It is an amenable number.
2159960285 is a deficient number, since it is larger than the sum of its proper divisors (938591395).
2159960285 is an equidigital number, since it uses as much as digits as its factorization.
2159960285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 886 (or 849 counting only the distinct ones).
The product of its (nonzero) digits is 388800, while the sum is 47.
The square root of 2159960285 is about 46475.3728871539. The cubic root of 2159960285 is about 1292.6528914360.
The spelling of 2159960285 in words is "two billion, one hundred fifty-nine million, nine hundred sixty thousand, two hundred eighty-five".
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