Base | Representation |
---|---|
bin | 1000010001100111… |
… | …1110010000010000 |
3 | 12201210221212102222 |
4 | 2010121332100100 |
5 | 14022134313404 |
6 | 1004232200212 |
7 | 106022412026 |
oct | 20431762020 |
9 | 5653855388 |
10 | 2221401104 |
11 | a3aa1758a |
12 | 51bb39068 |
13 | 2952b5730 |
14 | 17104c716 |
15 | d0047dbe |
hex | 8467e410 |
2221401104 has 20 divisors (see below), whose sum is σ = 4635039276. Its totient is φ = 1025261952.
The previous prime is 2221401097. The next prime is 2221401109. The reversal of 2221401104 is 4011041222.
It can be written as a sum of positive squares in 2 ways, for example, as 294191104 + 1927210000 = 17152^2 + 43900^2 .
It is not an unprimeable number, because it can be changed into a prime (2221401109) 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, 5339699 + ... + 5340114.
Almost surely, 22221401104 is an apocalyptic number.
It is an amenable number.
2221401104 is an abundant number, since it is smaller than the sum of its proper divisors (2413638172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221401104 is a wasteful number, since it uses less digits than its factorization.
2221401104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10679834 (or 10679828 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 2221401104 is about 47131.7420004820. The cubic root of 2221401104 is about 1304.7951321311.
Adding to 2221401104 its reverse (4011041222), we get a palindrome (6232442326).
The spelling of 2221401104 in words is "two billion, two hundred twenty-one million, four hundred one thousand, one hundred four".
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