Base | Representation |
---|---|
bin | 1001001111001100010010… |
… | …01101011011101000010100 |
3 | 2122220220220222221000111001 |
4 | 10213212021031123220110 |
5 | 10130302414244424140 |
6 | 111111431211153044 |
7 | 4164403043013421 |
oct | 447461115335024 |
9 | 78826828830431 |
10 | 20313202342420 |
11 | 6521865181629 |
12 | 2340a02445784 |
13 | b446b03ab880 |
14 | 50324295ad48 |
15 | 2535d6614e9a |
hex | 12798935ba14 |
20313202342420 has 48 divisors (see below), whose sum is σ = 47936440056960. Its totient is φ = 7174161092736.
The previous prime is 20313202342313. The next prime is 20313202342523. The reversal of 20313202342420 is 2424320231302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698422310 + ... + 1698434269.
It is an arithmetic number, because the mean of its divisors is an integer number (998675834520).
Almost surely, 220313202342420 is an apocalyptic number.
20313202342420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20313202342420 is an abundant number, since it is smaller than the sum of its proper divisors (27623237714540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20313202342420 is a wasteful number, since it uses less digits than its factorization.
20313202342420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3396856624 (or 3396856622 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 28.
Adding to 20313202342420 its reverse (2424320231302), we get a palindrome (22737522573722).
The spelling of 20313202342420 in words is "twenty trillion, three hundred thirteen billion, two hundred two million, three hundred forty-two thousand, four hundred twenty".
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