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213305203552 = 257952255373
BaseRepresentation
bin1100011010100111111…
…0110001101101100000
3202101120121101001112011
43012221332301231200
511443322113003202
6241554022442304
721260621212630
oct3065176615540
9671517331464
10213305203552
118250a2545a1
123540b593394
13171649c129c
14a4771b66c0
1558365b1bd7
hex31a9fb1b60

213305203552 has 24 divisors (see below), whose sum is σ = 479936708496. Its totient is φ = 91416515712.

The previous prime is 213305203523. The next prime is 213305203577. The reversal of 213305203552 is 255302503312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476127463 + ... + 476127910.

It is an arithmetic number, because the mean of its divisors is an integer number (19997362854).

Almost surely, 2213305203552 is an apocalyptic number.

It is an amenable number.

213305203552 is an abundant number, since it is smaller than the sum of its proper divisors (266631504944).

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

213305203552 is an equidigital number, since it uses as much as digits as its factorization.

213305203552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952255390 (or 952255382 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 213305203552 its reverse (255302503312), we get a palindrome (468607706864).

The spelling of 213305203552 in words is "two hundred thirteen billion, three hundred five million, two hundred three thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 952255373 1904510746 3809021492 6665787611 7618042984 13331575222 15236085968 26663150444 30472171936 53326300888 106652601776 213305203552