Base | Representation |
---|---|
bin | 10010101111111110… |
… | …011000000000011101 |
3 | 1220222001100102011100 |
4 | 102233332120000131 |
5 | 312212322430440 |
6 | 13125411343313 |
7 | 1311616105365 |
oct | 225776300035 |
9 | 56861312140 |
10 | 20132233245 |
11 | 85a11368a3 |
12 | 3a9a2b1b39 |
13 | 1b8abc5a67 |
14 | d8daa79a5 |
15 | 7cc68b230 |
hex | 4aff9801d |
20132233245 has 48 divisors (see below), whose sum is σ = 35204590512. Its totient is φ = 10642544640.
The previous prime is 20132233243. The next prime is 20132233361. The reversal of 20132233245 is 54233223102.
20132233245 is a `hidden beast` number, since 2 + 0 + 1 + 322 + 332 + 4 + 5 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 5263357401 + 14868875844 = 72549^2 + 121938^2 .
It is not a de Polignac number, because 20132233245 - 21 = 20132233243 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20132233243) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3055855 + ... + 3062435.
It is an arithmetic number, because the mean of its divisors is an integer number (733428969).
Almost surely, 220132233245 is an apocalyptic number.
It is an amenable number.
20132233245 is a deficient number, since it is larger than the sum of its proper divisors (15072357267).
20132233245 is a wasteful number, since it uses less digits than its factorization.
20132233245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7182 (or 7179 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
Adding to 20132233245 its reverse (54233223102), we get a palindrome (74365456347).
The spelling of 20132233245 in words is "twenty billion, one hundred thirty-two million, two hundred thirty-three thousand, two hundred forty-five".
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