Base | Representation |
---|---|
bin | 1001001111001100000110… |
… | …01000010011001111001111 |
3 | 2122220220122212222110021120 |
4 | 10213212003020103033033 |
5 | 10130302212141142111 |
6 | 111111413124532023 |
7 | 4164400363655031 |
oct | 447460310231717 |
9 | 78826585873246 |
10 | 20313100334031 |
11 | 652181263917a |
12 | 2340994251013 |
13 | b44695213b8b |
14 | 5032331a5c51 |
15 | 2535cc6b5406 |
hex | 1279832133cf |
20313100334031 has 8 divisors (see below), whose sum is σ = 28677318118704. Its totient is φ = 12745474719360.
The previous prime is 20313100334027. The next prime is 20313100334071. The reversal of 20313100334031 is 13043300131302.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20313100334031 - 22 = 20313100334027 is a prime.
It is a super-2 number, since 2×203131003340312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20313100333992 and 20313100334010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20313100334071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199148042440 + ... + 199148042541.
It is an arithmetic number, because the mean of its divisors is an integer number (3584664764838).
Almost surely, 220313100334031 is an apocalyptic number.
20313100334031 is a deficient number, since it is larger than the sum of its proper divisors (8364217784673).
20313100334031 is a wasteful number, since it uses less digits than its factorization.
20313100334031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 398296085001.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 20313100334031 its reverse (13043300131302), we get a palindrome (33356400465333).
The spelling of 20313100334031 in words is "twenty trillion, three hundred thirteen billion, one hundred million, three hundred thirty-four thousand, thirty-one".
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