Base | Representation |
---|---|
bin | 1000010001100010… |
… | …1001000101010101 |
3 | 12201210022010220021 |
4 | 2010120221011111 |
5 | 14022042132440 |
6 | 1004220505141 |
7 | 106016426656 |
oct | 20430510525 |
9 | 5653263807 |
10 | 2221052245 |
11 | a3a7a9475 |
12 | 51b9ab1b1 |
13 | 2951c29c9 |
14 | 170d9b52d |
15 | ceec984a |
hex | 84629155 |
2221052245 has 8 divisors (see below), whose sum is σ = 2666464416. Its totient is φ = 1776040656.
The previous prime is 2221052233. The next prime is 2221052311. The reversal of 2221052245 is 5422501222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2221052245 - 217 = 2220921173 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 7 ways as a sum of consecutive naturals, for example, 87807 + ... + 110236.
It is an arithmetic number, because the mean of its divisors is an integer number (333308052).
Almost surely, 22221052245 is an apocalyptic number.
It is an amenable number.
2221052245 is a deficient number, since it is larger than the sum of its proper divisors (445412171).
2221052245 is a wasteful number, since it uses less digits than its factorization.
2221052245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200291.
The product of its (nonzero) digits is 3200, while the sum is 25.
The square root of 2221052245 is about 47128.0409628917. The cubic root of 2221052245 is about 1304.7268248880.
Adding to 2221052245 its reverse (5422501222), we get a palindrome (7643553467).
The spelling of 2221052245 in words is "two billion, two hundred twenty-one million, fifty-two thousand, two hundred forty-five".
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