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9810193045 = 51962038609
BaseRepresentation
bin10010010001011101…
…11010101010010101
3221022200121102221011
421020232322222111
5130042402134140
64301242252221
7465051156622
oct111056725225
927280542834
109810193045
114184664264
121a994b7071
13c04591873
14690c75349
153c63b8cea
hex248bbaa95

9810193045 has 4 divisors (see below), whose sum is σ = 11772231660. Its totient is φ = 7848154432.

The previous prime is 9810193033. The next prime is 9810193049. The reversal of 9810193045 is 5403910189.

9810193045 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 4070312401 + 5739880644 = 63799^2 + 75762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9810193045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9810192989 and 9810193007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9810193049) by changing a digit.

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, 981019300 + ... + 981019309.

It is an arithmetic number, because the mean of its divisors is an integer number (2943057915).

Almost surely, 29810193045 is an apocalyptic number.

It is an amenable number.

9810193045 is a deficient number, since it is larger than the sum of its proper divisors (1962038615).

9810193045 is a wasteful number, since it uses less digits than its factorization.

9810193045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962038614.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 9810193045 is about 99046.4186379296. The cubic root of 9810193045 is about 2140.7166380988.

It can be divided in two parts, 981019 and 3045, that added together give a square (984064 = 9922).

The spelling of 9810193045 in words is "nine billion, eight hundred ten million, one hundred ninety-three thousand, forty-five".

Divisors: 1 5 1962038609 9810193045