Base | Representation |
---|---|
bin | 10100101011001110… |
… | …010100010110100000 |
3 | 2010022011020100210221 |
4 | 110223032110112200 |
5 | 330431200311034 |
6 | 14110515132424 |
7 | 1414064654434 |
oct | 245316242640 |
9 | 63264210727 |
10 | 22200010144 |
11 | 9462366224 |
12 | 43768a4114 |
13 | 212a410aa0 |
14 | 11085669c4 |
15 | 89de8abb4 |
hex | 52b3945a0 |
22200010144 has 48 divisors (see below), whose sum is σ = 47713127112. Its totient is φ = 10105786368.
The previous prime is 22200010141. The next prime is 22200010169. The reversal of 22200010144 is 44101000222.
It can be written as a sum of positive squares in 4 ways, for example, as 18930457744 + 3269552400 = 137588^2 + 57180^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is not an unprimeable number, because it can be changed into a prime (22200010141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335149 + ... + 395884.
Almost surely, 222200010144 is an apocalyptic number.
It is an amenable number.
22200010144 is an abundant number, since it is smaller than the sum of its proper divisors (25513116968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22200010144 is a wasteful number, since it uses less digits than its factorization.
22200010144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 731129 (or 731121 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 22200010144 its reverse (44101000222), we get a palindrome (66301010366).
The spelling of 22200010144 in words is "twenty-two billion, two hundred million, ten thousand, one hundred forty-four".
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