Base | Representation |
---|---|
bin | 10010101111111010… |
… | …110100111100110110 |
3 | 1220221222121011102001 |
4 | 102233322310330312 |
5 | 312212103200342 |
6 | 13125335405514 |
7 | 1311605153062 |
oct | 225772647466 |
9 | 56858534361 |
10 | 20131303222 |
11 | 85a0661088 |
12 | 3a99b2389a |
13 | 1b8a95b654 |
14 | d8d904aa2 |
15 | 7cc5558b7 |
hex | 4afeb4f36 |
20131303222 has 8 divisors (see below), whose sum is σ = 30622264272. Its totient is φ = 9923881800.
The previous prime is 20131303189. The next prime is 20131303223. The reversal of 20131303222 is 22230313102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×201313032222 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20131303222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20131303223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70884729 + ... + 70885012.
It is an arithmetic number, because the mean of its divisors is an integer number (3827783034).
Almost surely, 220131303222 is an apocalyptic number.
20131303222 is a deficient number, since it is larger than the sum of its proper divisors (10490961050).
20131303222 is a wasteful number, since it uses less digits than its factorization.
20131303222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141769814.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 20131303222 its reverse (22230313102), we get a palindrome (42361616324).
The spelling of 20131303222 in words is "twenty billion, one hundred thirty-one million, three hundred three thousand, two hundred twenty-two".
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