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211333130 = 25131161323
BaseRepresentation
bin11001001100010…
…11000000001010
3112201122211112222
430212023000022
5413100130010
632545334042
75144205401
oct1446130012
9481584488
10211333130
11a9323788
125a937322
1334a248b8
14200d2638
1513847355
hexc98b00a

211333130 has 16 divisors (see below), whose sum is σ = 383305824. Its totient is φ = 83887440.

The previous prime is 211333127. The next prime is 211333151. The reversal of 211333130 is 31333112.

It is a junction number, because it is equal to n+sod(n) for n = 211333099 and 211333108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79352 + ... + 81971.

It is an arithmetic number, because the mean of its divisors is an integer number (23956614).

Almost surely, 2211333130 is an apocalyptic number.

211333130 is a deficient number, since it is larger than the sum of its proper divisors (171972694).

211333130 is a wasteful number, since it uses less digits than its factorization.

211333130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161461.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 211333130 is about 14537.3013314026. The cubic root of 211333130 is about 595.6473241182.

Adding to 211333130 its reverse (31333112), we get a palindrome (242666242).

The spelling of 211333130 in words is "two hundred eleven million, three hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 131 262 655 1310 161323 322646 806615 1613230 21133313 42266626 105666565 211333130