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22031230200 = 23352736714293
BaseRepresentation
bin10100100001001010…
…011110010011111000
32002212101122110020220
4110201022132103320
5330104443331300
614042045420040
71406645236560
oct244112362370
962771573226
1022031230200
119386067371
12432a26a620
132101467bb5
1410cdd8dda0
1588e24bda0
hex52129e4f8

22031230200 has 192 divisors, whose sum is σ = 78271656960. Its totient is φ = 5021637120.

The previous prime is 22031230159. The next prime is 22031230229. The reversal of 22031230200 is 203213022.

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 22031230200.

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, 1534254 + ... + 1548546.

It is an arithmetic number, because the mean of its divisors is an integer number (407664880).

Almost surely, 222031230200 is an apocalyptic number.

22031230200 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 22031230200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39135828480).

22031230200 is an abundant number, since it is smaller than the sum of its proper divisors (56240426760).

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

22031230200 is a wasteful number, since it uses less digits than its factorization.

22031230200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14686 (or 14677 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22031230200 its reverse (203213022), we get a palindrome (22234443222).

The spelling of 22031230200 in words is "twenty-two billion, thirty-one million, two hundred thirty thousand, two hundred".