Base | Representation |
---|---|
bin | 1001000110111111000110… |
… | …00000101111100111011000 |
3 | 2121220222010122011001111222 |
4 | 10203133203000233213120 |
5 | 10111142440211434222 |
6 | 110334120343511212 |
7 | 4135131554135645 |
oct | 443374300574730 |
9 | 77828118131458 |
10 | 20031241124312 |
11 | 6423224446140 |
12 | 22b6232158508 |
13 | b23c2683b802 |
14 | 4d373545cdcc |
15 | 24b0d2920542 |
hex | 1237e302f9d8 |
20031241124312 has 256 divisors, whose sum is σ = 45203816448000. Its totient is φ = 8214432652800.
The previous prime is 20031241124303. The next prime is 20031241124317. The reversal of 20031241124312 is 21342114213002.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20031241124317) 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 63 ways as a sum of consecutive naturals, for example, 12357334862 + ... + 12357336482.
It is an arithmetic number, because the mean of its divisors is an integer number (176577408000).
Almost surely, 220031241124312 is an apocalyptic number.
20031241124312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20031241124312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22601908224000).
20031241124312 is an abundant number, since it is smaller than the sum of its proper divisors (25172575323688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20031241124312 is a wasteful number, since it uses less digits than its factorization.
20031241124312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2902 (or 2898 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 20031241124312 its reverse (21342114213002), we get a palindrome (41373355337314).
The spelling of 20031241124312 in words is "twenty trillion, thirty-one billion, two hundred forty-one million, one hundred twenty-four thousand, three hundred twelve".
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