Base | Representation |
---|---|
bin | 1001001111001100010010… |
… | …10011110101001100111111 |
3 | 2122220220221010002020201210 |
4 | 10213212021103311030333 |
5 | 10130302420212120111 |
6 | 111111431311135503 |
7 | 4164403063201416 |
oct | 447461123651477 |
9 | 78826833066653 |
10 | 20313204020031 |
11 | 6521866117a8a |
12 | 2340a02b14593 |
13 | b446b0848340 |
14 | 503242c7647d |
15 | 2535d68470a6 |
hex | 1279894f533f |
20313204020031 has 16 divisors (see below), whose sum is σ = 29169615046880. Its totient is φ = 12499602894720.
The previous prime is 20313204020009. The next prime is 20313204020033. The reversal of 20313204020031 is 13002040231302.
It is not a de Polignac number, because 20313204020031 - 29 = 20313204019519 is a prime.
It is a super-3 number, since 3×203132040200313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20313204020033) 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, 16704016 + ... + 17878773.
It is an arithmetic number, because the mean of its divisors is an integer number (1823100940430).
Almost surely, 220313204020031 is an apocalyptic number.
20313204020031 is a deficient number, since it is larger than the sum of its proper divisors (8856411026849).
20313204020031 is a wasteful number, since it uses less digits than its factorization.
20313204020031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34597866.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20313204020031 its reverse (13002040231302), we get a palindrome (33315244251333).
The spelling of 20313204020031 in words is "twenty trillion, three hundred thirteen billion, two hundred four million, twenty thousand, thirty-one".
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