Base | Representation |
---|---|
bin | 111101001011110… |
… | …0111011101101001 |
3 | 12022002002210001202 |
4 | 1322113213131221 |
5 | 13201032330210 |
6 | 535415053545 |
7 | 101606210462 |
oct | 17227473551 |
9 | 5262083052 |
10 | 2053011305 |
11 | 963964864 |
12 | 4936712b5 |
13 | 2694482b7 |
14 | 156937d69 |
15 | c03849a5 |
hex | 7a5e7769 |
2053011305 has 8 divisors (see below), whose sum is σ = 2489012232. Its totient is φ = 1625476608.
The previous prime is 2053011287. The next prime is 2053011361. The reversal of 2053011305 is 5031103502.
It can be written as a sum of positive squares in 4 ways, for example, as 788711056 + 1264300249 = 28084^2 + 35557^2 .
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 2053011305 - 218 = 2052749161 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116022 + ... + 2116991.
It is an arithmetic number, because the mean of its divisors is an integer number (311126529).
Almost surely, 22053011305 is an apocalyptic number.
It is an amenable number.
2053011305 is a deficient number, since it is larger than the sum of its proper divisors (436000927).
2053011305 is an equidigital number, since it uses as much as digits as its factorization.
2053011305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4233115.
The product of its (nonzero) digits is 450, while the sum is 20.
The square root of 2053011305 is about 45310.1677882570. The cubic root of 2053011305 is about 1270.9557987675.
Adding to 2053011305 its reverse (5031103502), we get a palindrome (7084114807).
The spelling of 2053011305 in words is "two billion, fifty-three million, eleven thousand, three hundred five".
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