Base | Representation |
---|---|
bin | 10010111010110111… |
… | …101111010111111111 |
3 | 1221102210100010110010 |
4 | 102322313233113333 |
5 | 313101122341302 |
6 | 13155501514303 |
7 | 1316266006365 |
oct | 227267572777 |
9 | 57383303403 |
10 | 20315043327 |
11 | 8685348807 |
12 | 3b2b572993 |
13 | 1bb9a419c7 |
14 | daa093635 |
15 | 7dd74c16c |
hex | 4badef5ff |
20315043327 has 16 divisors (see below), whose sum is σ = 27252700160. Its totient is φ = 13460573952.
The previous prime is 20315043293. The next prime is 20315043347. The reversal of 20315043327 is 72334051302.
It is not a de Polignac number, because 20315043327 - 26 = 20315043263 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20315043294 and 20315043303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20315043347) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389583 + ... + 438639.
It is an arithmetic number, because the mean of its divisors is an integer number (1703293760).
Almost surely, 220315043327 is an apocalyptic number.
20315043327 is a deficient number, since it is larger than the sum of its proper divisors (6937656833).
20315043327 is a wasteful number, since it uses less digits than its factorization.
20315043327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49902.
The product of its (nonzero) digits is 15120, while the sum is 30.
Adding to 20315043327 its reverse (72334051302), we get a palindrome (92649094629).
The spelling of 20315043327 in words is "twenty billion, three hundred fifteen million, forty-three thousand, three hundred twenty-seven".
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