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230221210200 = 233521961331063
BaseRepresentation
bin1101011001101001000…
…0001110001001011000
3211000020111211020012220
43112122100032021120
512232443112211300
6253432343304040
722430044666362
oct3263220161130
9730214736186
10230221210200
11896aa964783
123875074b020
131892c486787
14b1dda6dd32
155ec66e6da0
hex359a40e258

230221210200 has 192 divisors, whose sum is σ = 763566009600. Its totient is φ = 57207513600.

The previous prime is 230221210189. The next prime is 230221210201. The reversal of 230221210200 is 2012122032.

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 230221210200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230221210201) 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, 529869 + ... + 860931.

It is an arithmetic number, because the mean of its divisors is an integer number (3976906300).

Almost surely, 2230221210200 is an apocalyptic number.

230221210200 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 230221210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381783004800).

230221210200 is an abundant number, since it is smaller than the sum of its proper divisors (533344799400).

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

230221210200 is a wasteful number, since it uses less digits than its factorization.

230221210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331162 (or 331153 counting only the distinct ones).

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

Adding to 230221210200 its reverse (2012122032), we get a palindrome (232233332232).

The spelling of 230221210200 in words is "two hundred thirty billion, two hundred twenty-one million, two hundred ten thousand, two hundred".