Base | Representation |
---|---|
bin | 1000010100000001… |
… | …0001110001111011 |
3 | 12202111212000201120 |
4 | 2011000101301323 |
5 | 14032222130210 |
6 | 1005231320323 |
7 | 106203643266 |
oct | 20500216173 |
9 | 5674760646 |
10 | 2231442555 |
11 | a45655901 |
12 | 5233800a3 |
13 | 2973c0114 |
14 | 172503cdd |
15 | d0d7d270 |
hex | 85011c7b |
2231442555 has 32 divisors (see below), whose sum is σ = 3887827200. Its totient is φ = 1088583552.
The previous prime is 2231442553. The next prime is 2231442569. The reversal of 2231442555 is 5552441322.
It is a happy number.
It is not a de Polignac number, because 2231442555 - 21 = 2231442553 is a prime.
It is a super-3 number, since 3×22314425553 (a number of 29 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2231442553) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126729 + ... + 143258.
It is an arithmetic number, because the mean of its divisors is an integer number (121494600).
Almost surely, 22231442555 is an apocalyptic number.
2231442555 is a deficient number, since it is larger than the sum of its proper divisors (1656384645).
2231442555 is a wasteful number, since it uses less digits than its factorization.
2231442555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270043.
The product of its digits is 48000, while the sum is 33.
The square root of 2231442555 is about 47238.1472435150. The cubic root of 2231442555 is about 1306.7582090943.
Adding to 2231442555 its reverse (5552441322), we get a palindrome (7783883877).
The spelling of 2231442555 in words is "two billion, two hundred thirty-one million, four hundred forty-two thousand, five hundred fifty-five".
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