Base | Representation |
---|---|
bin | 10010101110001100… |
… | …010011111101010101 |
3 | 1220212222002021200220 |
4 | 102232030103331111 |
5 | 312132144112440 |
6 | 13122422424553 |
7 | 1311104001432 |
oct | 225614237525 |
9 | 56788067626 |
10 | 20102332245 |
11 | 8586273826 |
12 | 3a90292159 |
13 | 1b84956b68 |
14 | d89b22b89 |
15 | 7c9c318d0 |
hex | 4ae313f55 |
20102332245 has 16 divisors (see below), whose sum is σ = 32165707392. Its totient is φ = 10720585280.
The previous prime is 20102332157. The next prime is 20102332273. The reversal of 20102332245 is 54223320102.
It is a de Polignac number, because none of the positive numbers 2k-20102332245 is a prime.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 305155 + ... + 365135.
It is an arithmetic number, because the mean of its divisors is an integer number (2010356712).
Almost surely, 220102332245 is an apocalyptic number.
It is an amenable number.
20102332245 is a deficient number, since it is larger than the sum of its proper divisors (12063375147).
20102332245 is a wasteful number, since it uses less digits than its factorization.
20102332245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82332.
The product of its (nonzero) digits is 2880, while the sum is 24.
Adding to 20102332245 its reverse (54223320102), we get a palindrome (74325652347).
The spelling of 20102332245 in words is "twenty billion, one hundred two million, three hundred thirty-two thousand, two hundred forty-five".
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