Base | Representation |
---|---|
bin | 1000001100110011… |
… | …1111111111011011 |
3 | 12200101222201110122 |
4 | 2003030333333123 |
5 | 14002003120011 |
6 | 1002231503455 |
7 | 105356042102 |
oct | 20314777733 |
9 | 5611881418 |
10 | 2201223131 |
11 | a2a595578 |
12 | 515227b8b |
13 | 29106c2c3 |
14 | 16c4b9039 |
15 | cd3ae3db |
hex | 8333ffdb |
2201223131 has 12 divisors (see below), whose sum is σ = 2325346632. Its totient is φ = 2083420224.
The previous prime is 2201223127. The next prime is 2201223137. The reversal of 2201223131 is 1313221022.
It is not a de Polignac number, because 2201223131 - 22 = 2201223127 is a prime.
It is a super-2 number, since 2×22012231312 = 9690766544898886322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2201223137) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513011 + ... + 517283.
It is an arithmetic number, because the mean of its divisors is an integer number (193778886).
Almost surely, 22201223131 is an apocalyptic number.
2201223131 is a deficient number, since it is larger than the sum of its proper divisors (124123501).
2201223131 is a wasteful number, since it uses less digits than its factorization.
2201223131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5738 (or 5719 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 2201223131 is about 46917.1944067418. The cubic root of 2201223131 is about 1300.8324315480.
Adding to 2201223131 its reverse (1313221022), we get a palindrome (3514444153).
The spelling of 2201223131 in words is "two billion, two hundred one million, two hundred twenty-three thousand, one hundred thirty-one".
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