Base | Representation |
---|---|
bin | 10010101010101010… |
… | …00111111001001001 |
3 | 221212102021202000021 |
4 | 21111111013321021 |
5 | 131011003112210 |
6 | 4334232140441 |
7 | 503225434045 |
oct | 112525077111 |
9 | 27772252007 |
10 | 10021535305 |
11 | 4282993891 |
12 | 1b38237721 |
13 | c392ba662 |
14 | 6b0d6b025 |
15 | 3d9c13bda |
hex | 255547e49 |
10021535305 has 4 divisors (see below), whose sum is σ = 12025842372. Its totient is φ = 8017228240.
The previous prime is 10021535297. The next prime is 10021535317. The reversal of 10021535305 is 50353512001.
10021535305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1975624704 + 8045910601 = 44448^2 + 89699^2 .
It is not a de Polignac number, because 10021535305 - 23 = 10021535297 is a prime.
It is a super-2 number, since 2×100215353052 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10021535305.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002153526 + ... + 1002153535.
It is an arithmetic number, because the mean of its divisors is an integer number (3006460593).
Almost surely, 210021535305 is an apocalyptic number.
It is an amenable number.
10021535305 is a deficient number, since it is larger than the sum of its proper divisors (2004307067).
10021535305 is an equidigital number, since it uses as much as digits as its factorization.
10021535305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2004307066.
The product of its (nonzero) digits is 2250, while the sum is 25.
The spelling of 10021535305 in words is "ten billion, twenty-one million, five hundred thirty-five thousand, three hundred five".
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