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213143043120 = 24357976192113
BaseRepresentation
bin1100011010000001010…
…0001011110000110000
3202101011022020110020020
43012200110023300300
511443004104334440
6241525551043440
721253611654660
oct3064024136060
9671138213206
10213143043120
1182436767007
1235385210580
131713a225377
14a45d8441a0
15582722e3d0
hex31a050bc30

213143043120 has 320 divisors, whose sum is σ = 764514401280. Its totient is φ = 48115482624.

The previous prime is 213143043101. The next prime is 213143043121. The reversal of 213143043120 is 21340341312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (213143043121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100871184 + ... + 100873296.

It is an arithmetic number, because the mean of its divisors is an integer number (2389107504).

Almost surely, 2213143043120 is an apocalyptic number.

213143043120 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 213143043120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382257200640).

213143043120 is an abundant number, since it is smaller than the sum of its proper divisors (551371358160).

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

213143043120 is a wasteful number, since it uses less digits than its factorization.

213143043120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852 (or 2846 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213143043120 its reverse (21340341312), we get a palindrome (234483384432).

The spelling of 213143043120 in words is "two hundred thirteen billion, one hundred forty-three million, forty-three thousand, one hundred twenty".