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2212120852 = 221785937871
BaseRepresentation
bin1000001111011010…
…0100100100010100
312201011111101022221
42003312210210110
514012300331402
61003301232124
7105550500634
oct20366444424
95634441287
102212120852
11a35759157
12518a02644
132933b6666
1416db146c4
15ce313337
hex83da4914

2212120852 has 24 divisors (see below), whose sum is σ = 4103809920. Its totient is φ = 1039758720.

The previous prime is 2212120789. The next prime is 2212120907. The reversal of 2212120852 is 2580212122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39477 + ... + 77347.

It is an arithmetic number, because the mean of its divisors is an integer number (170992080).

Almost surely, 22212120852 is an apocalyptic number.

It is an amenable number.

2212120852 is a deficient number, since it is larger than the sum of its proper divisors (1891689068).

2212120852 is a wasteful number, since it uses less digits than its factorization.

2212120852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38751 (or 38749 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 2212120852 is about 47033.1888351194. The cubic root of 2212120852 is about 1302.9756004499.

Adding to 2212120852 its reverse (2580212122), we get a palindrome (4792332974).

The spelling of 2212120852 in words is "two billion, two hundred twelve million, one hundred twenty thousand, eight hundred fifty-two".

Divisors: 1 2 4 17 34 68 859 1718 3436 14603 29206 37871 58412 75742 151484 643807 1287614 2575228 32531189 65062378 130124756 553030213 1106060426 2212120852