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213303213211 = 11151128418551
BaseRepresentation
bin1100011010100111011…
…1001011110010011011
3202101120110121221021211
43012221313023302123
511443321110310321
6241553512043551
721260565253114
oct3065167136233
9671513557254
10213303213211
1182509115190
123540a9935b7
131716447537a
14a476c1920b
15583631c0e1
hex31a9dcbc9b

213303213211 has 8 divisors (see below), whose sum is σ = 234235438848. Its totient is φ = 192627825000.

The previous prime is 213303213197. The next prime is 213303213247. The reversal of 213303213211 is 112312303312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213303213211 - 221 = 213301116059 is a prime.

It is a super-2 number, since 2×2133032132112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213303213311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64207615 + ... + 64210936.

It is an arithmetic number, because the mean of its divisors is an integer number (29279429856).

Almost surely, 2213303213211 is an apocalyptic number.

213303213211 is a deficient number, since it is larger than the sum of its proper divisors (20932225637).

213303213211 is a wasteful number, since it uses less digits than its factorization.

213303213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128418713.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213303213211 its reverse (112312303312), we get a palindrome (325615516523).

The spelling of 213303213211 in words is "two hundred thirteen billion, three hundred three million, two hundred thirteen thousand, two hundred eleven".

Divisors: 1 11 151 1661 128418551 1412604061 19391201201 213303213211