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1020143222 = 27412118423
BaseRepresentation
bin111100110011100…
…010011001110110
32122002120122102022
4330303202121312
54042124040342
6245121113142
734165034330
oct7463423166
92562518368
101020143222
1148393177a
122457887b2
13133470857
14996b2450
155e85e9d2
hex3cce2676

1020143222 has 32 divisors (see below), whose sum is σ = 1800175104. Its totient is φ = 424468800.

The previous prime is 1020143207. The next prime is 1020143227. The reversal of 1020143222 is 2223410201.

It is a super-3 number, since 3×10201432223 (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020143222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020143227) 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 15 ways as a sum of consecutive naturals, for example, 116903 + ... + 125325.

It is an arithmetic number, because the mean of its divisors is an integer number (56255472).

Almost surely, 21020143222 is an apocalyptic number.

1020143222 is a deficient number, since it is larger than the sum of its proper divisors (780031882).

1020143222 is a wasteful number, since it uses less digits than its factorization.

1020143222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1020143222 is about 31939.6809940237. The cubic root of 1020143222 is about 1006.6698219034.

Adding to 1020143222 its reverse (2223410201), we get a palindrome (3243553423).

The spelling of 1020143222 in words is "one billion, twenty million, one hundred forty-three thousand, two hundred twenty-two".

Divisors: 1 2 7 14 41 82 211 287 422 574 1477 2954 8423 8651 16846 17302 58961 60557 117922 121114 345343 690686 1777253 2417401 3554506 4834802 12440771 24881542 72867373 145734746 510071611 1020143222