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213320101144 = 231471212323
BaseRepresentation
bin1100011010101011011…
…1100110110100011000
3202101121122101221011211
43012222313212310120
511443334421214034
6241555314032504
721261161641063
oct3065267466430
9671548357154
10213320101144
11825176aa357
1235414578734
1317167b09127
14a4791738da
155837a55d64
hex31aade6d18

213320101144 has 24 divisors (see below), whose sum is σ = 400279761180. Its totient is φ = 106578892560.

The previous prime is 213320101103. The next prime is 213320101213. The reversal of 213320101144 is 441101023312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17304567 + ... + 17316889.

Almost surely, 2213320101144 is an apocalyptic number.

It is an amenable number.

213320101144 is a deficient number, since it is larger than the sum of its proper divisors (186959660036).

213320101144 is an equidigital number, since it uses as much as digits as its factorization.

213320101144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271 (or 13796 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 213320101144 its reverse (441101023312), we get a palindrome (654421124456).

The spelling of 213320101144 in words is "two hundred thirteen billion, three hundred twenty million, one hundred one thousand, one hundred forty-four".

Divisors: 1 2 4 8 1471 2942 5884 11768 12323 24646 49292 98584 2163841 4327682 8655364 17310728 18127133 36254266 72508532 145017064 26665012643 53330025286 106660050572 213320101144