Base | Representation |
---|---|
bin | 1010101000111100… |
… | …10110101010111101 |
3 | 112202002112100212100 |
4 | 11110132112222331 |
5 | 43144311214441 |
6 | 2342452255313 |
7 | 261360663165 |
oct | 52436265275 |
9 | 15662470770 |
10 | 5712210621 |
11 | 2471437427 |
12 | 1135011539 |
13 | 700584ab0 |
14 | 3c28d75a5 |
15 | 23673bcb6 |
hex | 154796abd |
5712210621 has 24 divisors (see below), whose sum is σ = 8930801880. Its totient is φ = 3497348736.
The previous prime is 5712210607. The next prime is 5712210667. The reversal of 5712210621 is 1260122175.
5712210621 is a `hidden beast` number, since 5 + 7 + 1 + 22 + 10 + 621 = 666.
5712210621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1282642596 + 4429568025 = 35814^2 + 66555^2 .
It is not a de Polignac number, because 5712210621 - 218 = 5711948477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5712210671) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 100866 + ... + 146963.
It is an arithmetic number, because the mean of its divisors is an integer number (372116745).
Almost surely, 25712210621 is an apocalyptic number.
It is an amenable number.
5712210621 is a deficient number, since it is larger than the sum of its proper divisors (3218591259).
5712210621 is a wasteful number, since it uses less digits than its factorization.
5712210621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248045 (or 248042 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 5712210621 is about 75579.1679035963. The cubic root of 5712210621 is about 1787.5906351161.
Adding to 5712210621 its reverse (1260122175), we get a palindrome (6972332796).
The spelling of 5712210621 in words is "five billion, seven hundred twelve million, two hundred ten thousand, six hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •