Base | Representation |
---|---|
bin | 1100110111101010110… |
… | …1101010010011011000 |
3 | 210010200222122120011220 |
4 | 3031322231222103120 |
5 | 12110304120402300 |
6 | 245323425452040 |
7 | 21655055013111 |
oct | 3157255522330 |
9 | 703628576156 |
10 | 221102122200 |
11 | 85850424a13 |
12 | 36a267a1020 |
13 | 17b0813b70b |
14 | a9b68d9208 |
15 | 5b40d44da0 |
hex | 337ab6a4d8 |
221102122200 has 192 divisors, whose sum is σ = 722120448000. Its totient is φ = 55808663040.
The previous prime is 221102122193. The next prime is 221102122207. The reversal of 221102122200 is 2221201122.
It is an interprime number because it is at equal distance from previous prime (221102122193) and next prime (221102122207).
It is a super-2 number, since 2×2211021222002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 221102122200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221102122207) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14093961 + ... + 14109639.
It is an arithmetic number, because the mean of its divisors is an integer number (3761044000).
Almost surely, 2221102122200 is an apocalyptic number.
221102122200 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 221102122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361060224000).
221102122200 is an abundant number, since it is smaller than the sum of its proper divisors (501018325800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221102122200 is a wasteful number, since it uses less digits than its factorization.
221102122200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16954 (or 16945 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 221102122200 its reverse (2221201122), we get a palindrome (223323323322).
The spelling of 221102122200 in words is "two hundred twenty-one billion, one hundred two million, one hundred twenty-two thousand, two hundred".
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