Base | Representation |
---|---|
bin | 1000010001101000… |
… | …1010001110110000 |
3 | 12201211001100201212 |
4 | 2010122022032300 |
5 | 14022142401120 |
6 | 1004233215252 |
7 | 106023005036 |
oct | 20432121660 |
9 | 5654040655 |
10 | 2221450160 |
11 | a3aa50426 |
12 | 51bb61528 |
13 | 295301b67 |
14 | 171062556 |
15 | d00576c5 |
hex | 8468a3b0 |
2221450160 has 20 divisors (see below), whose sum is σ = 5164871808. Its totient is φ = 888580032.
The previous prime is 2221450081. The next prime is 2221450171. The reversal of 2221450160 is 610541222.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (20).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13883984 + ... + 13884143.
Almost surely, 22221450160 is an apocalyptic number.
2221450160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2221450160 is an abundant number, since it is smaller than the sum of its proper divisors (2943421648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221450160 is a wasteful number, since it uses less digits than its factorization.
2221450160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27768140 (or 27768134 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 2221450160 is about 47132.2624112189. The cubic root of 2221450160 is about 1304.8047368139.
Adding to 2221450160 its reverse (610541222), we get a palindrome (2831991382).
The spelling of 2221450160 in words is "two billion, two hundred twenty-one million, four hundred fifty thousand, one hundred sixty".
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