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201211130 = 2523874831
BaseRepresentation
bin10111111111000…
…11110011111010
3112000121120210002
423333203303322
5403002224010
631544353002
74662160241
oct1377436372
9460546702
10201211130
11a363a99a
1257475762
13328bc653
141ca19958
15129e81a5
hexbfe3cfa

201211130 has 16 divisors (see below), whose sum is σ = 377927424. Its totient is φ = 76985040.

The previous prime is 201211097. The next prime is 201211139. The reversal of 201211130 is 31112102.

It is not an unprimeable number, because it can be changed into a prime (201211139) 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, 437186 + ... + 437645.

It is an arithmetic number, because the mean of its divisors is an integer number (23620464).

Almost surely, 2201211130 is an apocalyptic number.

201211130 is a deficient number, since it is larger than the sum of its proper divisors (176716294).

201211130 is a wasteful number, since it uses less digits than its factorization.

201211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874861.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 201211130 is about 14184.8909054670. The cubic root of 201211130 is about 585.9816280200.

Adding to 201211130 its reverse (31112102), we get a palindrome (232323232).

The spelling of 201211130 in words is "two hundred one million, two hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 874831 1749662 4374155 8748310 20121113 40242226 100605565 201211130