Base | Representation |
---|---|
bin | 1001001111000110110000… |
… | …10011110010100100101111 |
3 | 2122220122021011022001112102 |
4 | 10213203120103302210233 |
5 | 10130230330004121111 |
6 | 111110220510525315 |
7 | 4164236354202542 |
oct | 447433023624457 |
9 | 78818234261472 |
10 | 20310234442031 |
11 | 6520581946096 |
12 | 234031450683b |
13 | b44329555bb1 |
14 | 50304070c859 |
15 | 2534b0cb213b |
hex | 1278d84f292f |
20310234442031 has 8 divisors (see below), whose sum is σ = 20615007423024. Its totient is φ = 20005509553920.
The previous prime is 20310234442027. The next prime is 20310234442193. The reversal of 20310234442031 is 13024443201302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20310234442031 - 22 = 20310234442027 is a prime.
It is a super-2 number, since 2×203102344420312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20310234441985 and 20310234442003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20310234442331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11171810 + ... + 12861951.
It is an arithmetic number, because the mean of its divisors is an integer number (2576875927878).
Almost surely, 220310234442031 is an apocalyptic number.
20310234442031 is a deficient number, since it is larger than the sum of its proper divisors (304772980993).
20310234442031 is a wasteful number, since it uses less digits than its factorization.
20310234442031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24046441.
The product of its (nonzero) digits is 13824, while the sum is 29.
Adding to 20310234442031 its reverse (13024443201302), we get a palindrome (33334677643333).
The spelling of 20310234442031 in words is "twenty trillion, three hundred ten billion, two hundred thirty-four million, four hundred forty-two thousand, thirty-one".
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