Base | Representation |
---|---|
bin | 10100111010101111… |
… | …11001001101001011 |
3 | 1001222122122100020222 |
4 | 22131113321031023 |
5 | 140444414034011 |
6 | 5054210340255 |
7 | 545203206323 |
oct | 123527711513 |
9 | 31878570228 |
10 | 11230221131 |
11 | 4843192398 |
12 | 2214b8a68b |
13 | 109c83347c |
14 | 7876bc283 |
15 | 45adb7ddb |
hex | 29d5f934b |
11230221131 has 8 divisors (see below), whose sum is σ = 11892641040. Its totient is φ = 10568003328.
The previous prime is 11230221113. The next prime is 11230221137. The reversal of 11230221131 is 13112203211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 11230221131 - 214 = 11230204747 is a prime.
It is a super-2 number, since 2×112302211312 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is not an unprimeable number, because it can be changed into a prime (11230221137) 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, 72455 + ... + 166463.
It is an arithmetic number, because the mean of its divisors is an integer number (1486580130).
Almost surely, 211230221131 is an apocalyptic number.
11230221131 is a deficient number, since it is larger than the sum of its proper divisors (662419909).
11230221131 is an equidigital number, since it uses as much as digits as its factorization.
11230221131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101053.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 11230221131 its reverse (13112203211), we get a palindrome (24342424342).
The spelling of 11230221131 in words is "eleven billion, two hundred thirty million, two hundred twenty-one thousand, one hundred thirty-one".
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