Base | Representation |
---|---|
bin | 1001010101010111011000… |
… | …00111000011011011010011 |
3 | 2200200012102111100002100200 |
4 | 10222223230013003123103 |
5 | 10142241321120343212 |
6 | 111353111033550243 |
7 | 4215622303656000 |
oct | 452535407033323 |
9 | 80605374302320 |
10 | 20525315012307 |
11 | 65a3812259a06 |
12 | 2375b3a575383 |
13 | b5b6b4cc0c21 |
14 | 50d6055c88a7 |
15 | 258d9d1636dc |
hex | 12aaec1c36d3 |
20525315012307 has 48 divisors (see below), whose sum is σ = 35766776760000. Its totient is φ = 11324311681536.
The previous prime is 20525315012269. The next prime is 20525315012317. The reversal of 20525315012307 is 70321051352502.
20525315012307 is a `hidden beast` number, since 2 + 0 + 5 + 25 + 315 + 0 + 12 + 307 = 666.
It is not a de Polignac number, because 20525315012307 - 218 = 20525314750163 is a prime.
It is a super-2 number, since 2×205253150123072 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20525315012317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114547582 + ... + 114726627.
It is an arithmetic number, because the mean of its divisors is an integer number (745141182500).
Almost surely, 220525315012307 is an apocalyptic number.
20525315012307 is a deficient number, since it is larger than the sum of its proper divisors (15241461747693).
20525315012307 is a wasteful number, since it uses less digits than its factorization.
20525315012307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229274265 (or 229274248 counting only the distinct ones).
The product of its (nonzero) digits is 63000, while the sum is 36.
Adding to 20525315012307 its reverse (70321051352502), we get a palindrome (90846366364809).
The spelling of 20525315012307 in words is "twenty trillion, five hundred twenty-five billion, three hundred fifteen million, twelve thousand, three hundred seven".
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