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211335130 = 2521133513
BaseRepresentation
bin11001001100010…
…11011111011010
3112201122221022001
430212023133122
5413100211010
632545351214
75144214256
oct1446133732
9481587261
10211335130
11a9325236
125a93850a
1334a25796
14200d3266
1513847c3a
hexc98b7da

211335130 has 8 divisors (see below), whose sum is σ = 380403252. Its totient is φ = 84534048.

The previous prime is 211335079. The next prime is 211335133. The reversal of 211335130 is 31533112.

It can be written as a sum of positive squares in 2 ways, for example, as 211033729 + 301401 = 14527^2 + 549^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 211335098 and 211335107.

It is not an unprimeable number, because it can be changed into a prime (211335133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10566747 + ... + 10566766.

Almost surely, 2211335130 is an apocalyptic number.

211335130 is a deficient number, since it is larger than the sum of its proper divisors (169068122).

211335130 is a wasteful number, since it uses less digits than its factorization.

211335130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133520.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 211335130 is about 14537.3701197981. The cubic root of 211335130 is about 595.6492031277.

Adding to 211335130 its reverse (31533112), we get a palindrome (242868242).

The spelling of 211335130 in words is "two hundred eleven million, three hundred thirty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 21133513 42267026 105667565 211335130