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1220313132303 = 310722957728771
BaseRepresentation
bin10001110000100000010…
…101001010110100001111
311022122211201110010222220
4101300200111022310033
5124443200130213203
62332334253310423
7154110332323056
oct21604025126417
94278751403886
101220313132303
11430593a4a041
12178608495413
138b0c8b0a915
14430c624139d
1521b231ab653
hex11c2054ad0f

1220313132303 has 32 divisors (see below), whose sum is σ = 1652378261760. Its totient is φ = 801000990720.

The previous prime is 1220313132287. The next prime is 1220313132329. The reversal of 1220313132303 is 3032313130221.

It is not a de Polignac number, because 1220313132303 - 24 = 1220313132287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220313132503) 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 31 ways as a sum of consecutive naturals, for example, 42400308 + ... + 42429078.

It is an arithmetic number, because the mean of its divisors is an integer number (51636820680).

Almost surely, 21220313132303 is an apocalyptic number.

1220313132303 is a deficient number, since it is larger than the sum of its proper divisors (432065129457).

1220313132303 is a wasteful number, since it uses less digits than its factorization.

1220313132303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29687.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1220313132303 its reverse (3032313130221), we get a palindrome (4252626262524).

The spelling of 1220313132303 in words is "one trillion, two hundred twenty billion, three hundred thirteen million, one hundred thirty-two thousand, three hundred three".

Divisors: 1 3 107 229 321 577 687 1731 24503 28771 61739 73509 86313 132133 185217 396399 3078497 6588559 9235491 14138231 16600867 19765677 42414693 49802601 704975813 1776292769 2114927439 3801598543 5328878307 11404795629 406771044101 1220313132303