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213464130146 = 21729216495061
BaseRepresentation
bin1100011011001101110…
…1000010001001100010
3202101222200102100211022
43012303131002021202
511444133304131041
6242021501045442
721264561111521
oct3066335021142
9671880370738
10213464130146
1182590a33493
1235454856882
131718b8c72a7
14a4903464b8
15584550624b
hex31b3742262

213464130146 has 16 divisors (see below), whose sum is σ = 350722000440. Its totient is φ = 96989786880.

The previous prime is 213464130127. The next prime is 213464130203. The reversal of 213464130146 is 641031464312.

It can be written as a sum of positive squares in 4 ways, for example, as 178696425625 + 34767704521 = 422725^2 + 186461^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 108246545 + ... + 108248516.

Almost surely, 2213464130146 is an apocalyptic number.

213464130146 is a deficient number, since it is larger than the sum of its proper divisors (137257870294).

213464130146 is a wasteful number, since it uses less digits than its factorization.

213464130146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216495109.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 213464130146 its reverse (641031464312), we get a palindrome (854495594458).

The spelling of 213464130146 in words is "two hundred thirteen billion, four hundred sixty-four million, one hundred thirty thousand, one hundred forty-six".

Divisors: 1 2 17 29 34 58 493 986 216495061 432990122 3680416037 6278356769 7360832074 12556713538 106732065073 213464130146