Base | Representation |
---|---|
bin | 10100100000101000… |
… | …001001000001110011 |
3 | 2002211202201012111000 |
4 | 110200220021001303 |
5 | 330100142331011 |
6 | 14041124453043 |
7 | 1406505603366 |
oct | 244050110163 |
9 | 62752635430 |
10 | 22022230131 |
11 | 9380a7a4a0 |
12 | 432724a183 |
13 | 20cc636505 |
14 | 10ccaca0dd |
15 | 88d570356 |
hex | 520a09073 |
22022230131 has 16 divisors (see below), whose sum is σ = 35591483520. Its totient is φ = 13346805960.
The previous prime is 22022230129. The next prime is 22022230147. The reversal of 22022230131 is 13103222022.
It is not a de Polignac number, because 22022230131 - 21 = 22022230129 is a prime.
It is a super-2 number, since 2×220222301312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (22022230121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37074165 + ... + 37074758.
It is an arithmetic number, because the mean of its divisors is an integer number (2224467720).
Almost surely, 222022230131 is an apocalyptic number.
22022230131 is a deficient number, since it is larger than the sum of its proper divisors (13569253389).
22022230131 is a wasteful number, since it uses less digits than its factorization.
22022230131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74148943 (or 74148937 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 22022230131 its reverse (13103222022), we get a palindrome (35125452153).
The spelling of 22022230131 in words is "twenty-two billion, twenty-two million, two hundred thirty thousand, one hundred thirty-one".
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