Base | Representation |
---|---|
bin | 10010110110011110… |
… | …001001000110111000 |
3 | 1221020122102201112102 |
4 | 102312132021012320 |
5 | 312423223132440 |
6 | 13144303402532 |
7 | 1314411365135 |
oct | 226636110670 |
9 | 57218381472 |
10 | 20241224120 |
11 | 86477092a7 |
12 | 3b0a8b3448 |
13 | 1ba76669c0 |
14 | da035958c |
15 | 7d7019b15 |
hex | 4b67891b8 |
20241224120 has 64 divisors (see below), whose sum is σ = 49106675520. Its totient is φ = 7464443904.
The previous prime is 20241224119. The next prime is 20241224123. The reversal of 20241224120 is 2142214202.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 20241224092 and 20241224101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20241224123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404312 + ... + 451608.
It is an arithmetic number, because the mean of its divisors is an integer number (767291805).
Almost surely, 220241224120 is an apocalyptic number.
20241224120 is a gapful number since it is divisible by the number (20) 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 20241224120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24553337760).
20241224120 is an abundant number, since it is smaller than the sum of its proper divisors (28865451400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20241224120 is a wasteful number, since it uses less digits than its factorization.
20241224120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48144 (or 48140 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
Adding to 20241224120 its reverse (2142214202), we get a palindrome (22383438322).
The spelling of 20241224120 in words is "twenty billion, two hundred forty-one million, two hundred twenty-four thousand, one hundred twenty".
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