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201020012 = 22431168721
BaseRepresentation
bin10111111101101…
…01001001101100
3112000020212121122
423332311021230
5402430120022
631540320112
74660433114
oct1376651154
9460225548
10201020012
11a351a346
12573a3038
133285366b
141c9aa044
15129ab742
hexbfb526c

201020012 has 12 divisors (see below), whose sum is σ = 359966376. Its totient is φ = 98172480.

The previous prime is 201020011. The next prime is 201020041. The reversal of 201020012 is 210020102.

It is not an unprimeable number, because it can be changed into a prime (201020011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584189 + ... + 584532.

It is an arithmetic number, because the mean of its divisors is an integer number (29997198).

Almost surely, 2201020012 is an apocalyptic number.

It is an amenable number.

201020012 is a deficient number, since it is larger than the sum of its proper divisors (158946364).

201020012 is a wasteful number, since it uses less digits than its factorization.

201020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168768 (or 1168766 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 201020012 is about 14178.1526300150. The cubic root of 201020012 is about 585.7960400201.

Adding to 201020012 its reverse (210020102), we get a palindrome (411040114).

It can be divided in two parts, 2010 and 20012, that added together give a palindrome (22022).

The spelling of 201020012 in words is "two hundred one million, twenty thousand, twelve".

Divisors: 1 2 4 43 86 172 1168721 2337442 4674884 50255003 100510006 201020012