Base | Representation |
---|---|
bin | 10100100001001010… |
… | …000101111000000001 |
3 | 2002212101110100221222 |
4 | 110201022011320001 |
5 | 330104432130423 |
6 | 14042043324425 |
7 | 1406644342016 |
oct | 244112057001 |
9 | 62771410858 |
10 | 22031130113 |
11 | 9385aa9153 |
12 | 432a220715 |
13 | 2101431485 |
14 | 10cdd6570d |
15 | 88e22c3c8 |
hex | 521285e01 |
22031130113 has 8 divisors (see below), whose sum is σ = 22628455080. Its totient is φ = 21433904640.
The previous prime is 22031130091. The next prime is 22031130133. The reversal of 22031130113 is 31103113022.
It can be written as a sum of positive squares in 4 ways, for example, as 15156564544 + 6874565569 = 123112^2 + 82913^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22031130113 - 214 = 22031113729 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 22031130091 and 22031130100.
It is not an unprimeable number, because it can be changed into a prime (22031130133) 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, 729983 + ... + 759563.
It is an arithmetic number, because the mean of its divisors is an integer number (2828556885).
Almost surely, 222031130113 is an apocalyptic number.
It is an amenable number.
22031130113 is a deficient number, since it is larger than the sum of its proper divisors (597324967).
22031130113 is a wasteful number, since it uses less digits than its factorization.
22031130113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49747.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 22031130113 its reverse (31103113022), we get a palindrome (53134243135).
The spelling of 22031130113 in words is "twenty-two billion, thirty-one million, one hundred thirty thousand, one hundred thirteen".
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