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213311212010 = 25131640855477
BaseRepresentation
bin1100011010101001010…
…1101100100111101010
3202101121000200022120122
43012222111230213222
511443330132241020
6241554355323242
721261023246201
oct3065225544752
9671530608518
10213311212010
1182512688866
12354115b0522
13171660160a0
14a477cdc238
155836d9c125
hex31aa56c9ea

213311212010 has 16 divisors (see below), whose sum is σ = 413495580456. Its totient is φ = 78761062848.

The previous prime is 213311211941. The next prime is 213311212013. The reversal of 213311212010 is 10212113312.

It can be written as a sum of positive squares in 4 ways, for example, as 172963660321 + 40347551689 = 415889^2 + 200867^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213311212010.

It is not an unprimeable number, because it can be changed into a prime (213311212013) 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, 820427609 + ... + 820427868.

Almost surely, 2213311212010 is an apocalyptic number.

213311212010 is a deficient number, since it is larger than the sum of its proper divisors (200184368446).

213311212010 is a wasteful number, since it uses less digits than its factorization.

213311212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640855497.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213311212010 its reverse (10212113312), we get a palindrome (223523325322).

The spelling of 213311212010 in words is "two hundred thirteen billion, three hundred eleven million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 13 26 65 130 1640855477 3281710954 8204277385 16408554770 21331121201 42662242402 106655606005 213311212010