Base | Representation |
---|---|
bin | 10010111010110110… |
… | …100001000110111011 |
3 | 1221102202201211200210 |
4 | 102322312201012323 |
5 | 313101032111442 |
6 | 13155451002203 |
7 | 1316263202634 |
oct | 227266410673 |
9 | 57382654623 |
10 | 20314722747 |
11 | 8685149970 |
12 | 3b2b439363 |
13 | 1bb995bb07 |
14 | daa00c88b |
15 | 7dd6d719c |
hex | 4bada11bb |
20314722747 has 64 divisors (see below), whose sum is σ = 32418828288. Its totient is φ = 11171328000.
The previous prime is 20314722719. The next prime is 20314722761. The reversal of 20314722747 is 74722741302.
It is not a de Polignac number, because 20314722747 - 27 = 20314722619 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20314722797) by changing a digit.
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 63 ways as a sum of consecutive naturals, for example, 4884793 + ... + 4888949.
It is an arithmetic number, because the mean of its divisors is an integer number (506544192).
Almost surely, 220314722747 is an apocalyptic number.
20314722747 is a deficient number, since it is larger than the sum of its proper divisors (12104105541).
20314722747 is a wasteful number, since it uses less digits than its factorization.
20314722747 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4500.
The product of its (nonzero) digits is 131712, while the sum is 39.
The spelling of 20314722747 in words is "twenty billion, three hundred fourteen million, seven hundred twenty-two thousand, seven hundred forty-seven".
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