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201223102200 = 233524771100501
BaseRepresentation
bin1011101101100111010…
…1001101111011111000
3201020101120202201021220
42323121311031323320
511244101103232300
6232235101232040
720352332101431
oct2733165157370
9636346681256
10201223102200
117837a216a6a
1232bb9262620
1315c8a841aa3
149a4c706488
15537aa24da0
hex2ed9d4def8

201223102200 has 192 divisors, whose sum is σ = 646042936320. Its totient is φ = 51777600000.

The previous prime is 201223102189. The next prime is 201223102303. The reversal of 201223102200 is 2201322102.

It is a happy number.

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 201223102200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1951950 + ... + 2052450.

It is an arithmetic number, because the mean of its divisors is an integer number (3364806960).

Almost surely, 2201223102200 is an apocalyptic number.

201223102200 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 201223102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323021468160).

201223102200 is an abundant number, since it is smaller than the sum of its proper divisors (444819834120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201223102200 is a wasteful number, since it uses less digits than its factorization.

201223102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100638 (or 100629 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 201223102200 its reverse (2201322102), we get a palindrome (203424424302).

The spelling of 201223102200 in words is "two hundred one billion, two hundred twenty-three million, one hundred two thousand, two hundred".