Base | Representation |
---|---|
bin | 111011100111000… |
… | …1111000001010101 |
3 | 12011101202201100022 |
4 | 1313032033001111 |
5 | 13044024021440 |
6 | 530251354525 |
7 | 100365406622 |
oct | 16716170125 |
9 | 5141681308 |
10 | 2000220245 |
11 | 937088091 |
12 | 479a52a45 |
13 | 25b52369a |
14 | 14d915349 |
15 | ba907cb5 |
hex | 7738f055 |
2000220245 has 8 divisors (see below), whose sum is σ = 2401692216. Its totient is φ = 1599224256.
The previous prime is 2000220149. The next prime is 2000220281. The reversal of 2000220245 is 5420220002.
It can be written as a sum of positive squares in 4 ways, for example, as 501446449 + 1498773796 = 22393^2 + 38714^2 .
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 2000220245 - 212 = 2000216149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109682 + ... + 126611.
It is an arithmetic number, because the mean of its divisors is an integer number (300211527).
Almost surely, 22000220245 is an apocalyptic number.
It is an amenable number.
2000220245 is a deficient number, since it is larger than the sum of its proper divisors (401471971).
2000220245 is a wasteful number, since it uses less digits than its factorization.
2000220245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237991.
The product of its (nonzero) digits is 320, while the sum is 17.
The square root of 2000220245 is about 44723.8218961663. The cubic root of 2000220245 is about 1259.9672967492.
Adding to 2000220245 its reverse (5420220002), we get a palindrome (7420440247).
The spelling of 2000220245 in words is "two billion, two hundred twenty thousand, two hundred forty-five".
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