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211443244130 = 25171243783789
BaseRepresentation
bin1100010011101011111…
…1111101110001100010
3202012202211202201101002
43010322333331301202
511431013432303010
6241045150312002
721163521630536
oct3047277756142
9665684681332
10211443244130
1181744220958
1234b8bab8602
1316c29019451
14a33bbb1bc6
155777dba1a5
hex313affdc62

211443244130 has 16 divisors (see below), whose sum is σ = 402985947960. Its totient is φ = 79602162432.

The previous prime is 211443244127. The next prime is 211443244153. The reversal of 211443244130 is 31442344112.

It can be written as a sum of positive squares in 4 ways, for example, as 210333221641 + 1110022489 = 458621^2 + 33317^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211443244093 and 211443244102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621891725 + ... + 621892064.

Almost surely, 2211443244130 is an apocalyptic number.

211443244130 is a deficient number, since it is larger than the sum of its proper divisors (191542703830).

211443244130 is a wasteful number, since it uses less digits than its factorization.

211443244130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243783813.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 211443244130 its reverse (31442344112), we get a palindrome (242885588242).

The spelling of 211443244130 in words is "two hundred eleven billion, four hundred forty-three million, two hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 1243783789 2487567578 6218918945 12437837890 21144324413 42288648826 105721622065 211443244130