Base | Representation |
---|---|
bin | 111110101101000… |
… | …1010100111101101 |
3 | 12102122001211211102 |
4 | 1331122022213231 |
5 | 13302111324440 |
6 | 544440132445 |
7 | 103065541400 |
oct | 17532124755 |
9 | 5378054742 |
10 | 2104011245 |
11 | 98a728876 |
12 | 4a8767125 |
13 | 276b9388b |
14 | 15d611d37 |
15 | c4aaab15 |
hex | 7d68a9ed |
2104011245 has 12 divisors (see below), whose sum is σ = 2937028284. Its totient is φ = 1442750400.
The previous prime is 2104011211. The next prime is 2104011257. The reversal of 2104011245 is 5421104012.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1565864041 + 538147204 = 39571^2 + 23198^2 .
It is not a de Polignac number, because 2104011245 - 210 = 2104010221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4293656 + ... + 4294145.
It is an arithmetic number, because the mean of its divisors is an integer number (244752357).
Almost surely, 22104011245 is an apocalyptic number.
It is an amenable number.
2104011245 is a deficient number, since it is larger than the sum of its proper divisors (833017039).
2104011245 is an equidigital number, since it uses as much as digits as its factorization.
2104011245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8587820 (or 8587813 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 2104011245 is about 45869.5023408800. The cubic root of 2104011245 is about 1281.3939982673.
Adding to 2104011245 its reverse (5421104012), we get a palindrome (7525115257).
The spelling of 2104011245 in words is "two billion, one hundred four million, eleven thousand, two hundred forty-five".
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