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213310231200 = 2532521131283307
BaseRepresentation
bin1100011010101001000…
…1111101001010100000
3202101120221211111011100
43012222101331022200
511443324404344300
6241554322314400
721261012022533
oct3065221751240
9671527744140
10213310231200
1182512078980
12354111b8a00
1317165a61821
14a477b24a1a
155836c56700
hex31aa47d2a0

213310231200 has 864 divisors, whose sum is σ = 852797417472. Its totient is φ = 49704192000.

The previous prime is 213310231159. The next prime is 213310231207. The reversal of 213310231200 is 2132013312.

213310231200 is a `hidden beast` number, since 21 + 331 + 0 + 2 + 312 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (213310231207) 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 143 ways as a sum of consecutive naturals, for example, 694821447 + ... + 694821753.

It is an arithmetic number, because the mean of its divisors is an integer number (987034048).

Almost surely, 2213310231200 is an apocalyptic number.

213310231200 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 213310231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426398708736).

213310231200 is an abundant number, since it is smaller than the sum of its proper divisors (639487186272).

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

213310231200 is a wasteful number, since it uses less digits than its factorization.

213310231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213310231200 its reverse (2132013312), we get a palindrome (215442244512).

The spelling of 213310231200 in words is "two hundred thirteen billion, three hundred ten million, two hundred thirty-one thousand, two hundred".