Base | Representation |
---|---|
bin | 1001011110010110… |
… | …0010101011101101 |
3 | 20120020110222220211 |
4 | 2113211202223231 |
5 | 20202024413010 |
6 | 1100205342421 |
7 | 120010565122 |
oct | 22745425355 |
9 | 6506428824 |
10 | 2543201005 |
11 | 1095630614 |
12 | 5ab867a11 |
13 | 316b76c87 |
14 | 1a1a98749 |
15 | ed41108a |
hex | 97962aed |
2543201005 has 8 divisors (see below), whose sum is σ = 3058464024. Its totient is φ = 2030145600.
The previous prime is 2543200993. The next prime is 2543201009. The reversal of 2543201005 is 5001023452.
It can be written as a sum of positive squares in 4 ways, for example, as 799136361 + 1744064644 = 28269^2 + 41762^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2543201005 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2543201009) 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, 549366 + ... + 553975.
It is an arithmetic number, because the mean of its divisors is an integer number (382308003).
Almost surely, 22543201005 is an apocalyptic number.
It is an amenable number.
2543201005 is a deficient number, since it is larger than the sum of its proper divisors (515263019).
2543201005 is a wasteful number, since it uses less digits than its factorization.
2543201005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1103807.
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 2543201005 is about 50430.1596765269. The cubic root of 2543201005 is about 1364.9819092630.
Adding to 2543201005 its reverse (5001023452), we get a palindrome (7544224457).
The spelling of 2543201005 in words is "two billion, five hundred forty-three million, two hundred one thousand, five".
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