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101244306305 = 520248861261
BaseRepresentation
bin101111001001010100…
…0011000001110000001
3100200022220000122121102
41132102220120032001
53124322020300210
6114302212504145
710212633255452
oct1362250301601
9320286018542
10101244306305
1139a3485391a
121775661b055
13971654786c
144c86405129
1529785c7ea5
hex1792a18381

101244306305 has 4 divisors (see below), whose sum is σ = 121493167572. Its totient is φ = 80995445040.

The previous prime is 101244306299. The next prime is 101244306341. The reversal of 101244306305 is 503603442101.

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 66820699009 + 34423607296 = 258497^2 + 185536^2 .

It is not a de Polignac number, because 101244306305 - 224 = 101227529089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10124430626 + ... + 10124430635.

It is an arithmetic number, because the mean of its divisors is an integer number (30373291893).

Almost surely, 2101244306305 is an apocalyptic number.

It is an amenable number.

101244306305 is a deficient number, since it is larger than the sum of its proper divisors (20248861267).

101244306305 is an equidigital number, since it uses as much as digits as its factorization.

101244306305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20248861266.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 101244306305 its reverse (503603442101), we get a palindrome (604847748406).

The spelling of 101244306305 in words is "one hundred one billion, two hundred forty-four million, three hundred six thousand, three hundred five".

Divisors: 1 5 20248861261 101244306305