Base | Representation |
---|---|
bin | 1110000111011011110… |
… | …00001111011101010001 |
3 | 1201100221101101202200001 |
4 | 13003231320033131101 |
5 | 30421313440440341 |
6 | 1010452441530001 |
7 | 50020266601504 |
oct | 7035570173521 |
9 | 1640841352601 |
10 | 485027280721 |
11 | 177776289935 |
12 | 7a0027a3901 |
13 | 36979164079 |
14 | 196928a113b |
15 | c93b40bd31 |
hex | 70ede0f751 |
485027280721 has 27 divisors (see below), whose sum is σ = 523502936337. Its totient is φ = 449286727680.
The previous prime is 485027280671. The next prime is 485027280737. The reversal of 485027280721 is 127082720584.
It is a happy number.
The square root of 485027280721 is 696439.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 342354882321 + 142672398400 = 585111^2 + 377720^2 .
It is not a de Polignac number, because 485027280721 - 215 = 485027247953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (485027280121) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 840601585 + ... + 840602161.
Almost surely, 2485027280721 is an apocalyptic number.
485027280721 is the 696439-th square number.
485027280721 is the 348220-th centered octagonal number.
It is an amenable number.
485027280721 is a deficient number, since it is larger than the sum of its proper divisors (38475655616).
485027280721 is an frugal number, since it uses more digits than its factorization.
485027280721 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1330 (or 665 counting only the distinct ones).
The product of its (nonzero) digits is 501760, while the sum is 46.
The spelling of 485027280721 in words is "four hundred eighty-five billion, twenty-seven million, two hundred eighty thousand, seven hundred twenty-one".
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