Base | Representation |
---|---|
bin | 1100111000000010101… |
… | …1110011110001100000 |
3 | 210010221222011010021210 |
4 | 3032000223303301200 |
5 | 12111010242100000 |
6 | 245341404550120 |
7 | 21660412345503 |
oct | 3160053636140 |
9 | 703858133253 |
10 | 221202300000 |
11 | 858a1a27a90 |
12 | 36a54252340 |
13 | 17b22b15116 |
14 | a9c5d3513a |
15 | 5b49a32350 |
hex | 3380af3c60 |
221202300000 has 576 divisors, whose sum is σ = 838539330048. Its totient is φ = 50457600000.
The previous prime is 221202299999. The next prime is 221202300001. The reversal of 221202300000 is 3202122.
221202300000 is digitally balanced in base 3 and base 7, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (221202299999) and next prime (221202300001).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221202300001) 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 95 ways as a sum of consecutive naturals, for example, 56098029 + ... + 56101971.
It is an arithmetic number, because the mean of its divisors is an integer number (1455797448).
Almost surely, 2221202300000 is an apocalyptic number.
221202300000 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 221202300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419269665024).
221202300000 is an abundant number, since it is smaller than the sum of its proper divisors (617337030048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221202300000 is a wasteful number, since it uses less digits than its factorization.
221202300000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4009 (or 3981 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 221202300000 its reverse (3202122), we get a palindrome (221205502122).
The spelling of 221202300000 in words is "two hundred twenty-one billion, two hundred two million, three hundred thousand".
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