Base | Representation |
---|---|
bin | 10100111001101011… |
… | …11110110100000001 |
3 | 1001222000220200120022 |
4 | 22130311332310001 |
5 | 140440130044301 |
6 | 5053252023225 |
7 | 545034512213 |
oct | 123465766401 |
9 | 31860820508 |
10 | 11221331201 |
11 | 4839170243 |
12 | 2212001b15 |
13 | 109aa3cc62 |
14 | 7864465b3 |
15 | 45a20dd1b |
hex | 29cd7ed01 |
11221331201 has 16 divisors (see below), whose sum is σ = 11914368000. Its totient is φ = 10538933328.
The previous prime is 11221331183. The next prime is 11221331207. The reversal of 11221331201 is 10213312211.
It is a cyclic number.
It is not a de Polignac number, because 11221331201 - 214 = 11221314817 is a prime.
It is a super-2 number, since 2×112213312012 (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 11221331201.
It is not an unprimeable number, because it can be changed into a prime (11221331207) 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, 1064780 + ... + 1075266.
It is an arithmetic number, because the mean of its divisors is an integer number (744648000).
Almost surely, 211221331201 is an apocalyptic number.
It is an amenable number.
11221331201 is a deficient number, since it is larger than the sum of its proper divisors (693036799).
11221331201 is a wasteful number, since it uses less digits than its factorization.
11221331201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10988.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 11221331201 its reverse (10213312211), we get a palindrome (21434643412).
The spelling of 11221331201 in words is "eleven billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred one".
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