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20031201322110 = 23251120233536689
BaseRepresentation
bin1001000110111111000001…
…01000111010010001111110
32121220222000212020220011100
410203133200220322101332
510111142400014301420
6110334112402433530
74135130561623356
oct443374050722176
977828025226140
1020031201322110
116423203a30160
1222b62209628a6
13b23c1b514004
144d373005bb66
1524b0ce1ac190
hex1237e0a3a47e

20031201322110 has 48 divisors (see below), whose sum is σ = 56815771025520. Its totient is φ = 4856048805120.

The previous prime is 20031201322051. The next prime is 20031201322147. The reversal of 20031201322110 is 1122310213002.

20031201322110 is a `hidden beast` number, since 2 + 0 + 0 + 31 + 201 + 322 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10116767355 + ... + 10116769334.

It is an arithmetic number, because the mean of its divisors is an integer number (1183661896365).

Almost surely, 220031201322110 is an apocalyptic number.

20031201322110 is an abundant number, since it is smaller than the sum of its proper divisors (36784569703410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20031201322110 is a wasteful number, since it uses less digits than its factorization.

20031201322110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20233536713 (or 20233536710 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20031201322110 its reverse (1122310213002), we get a palindrome (21153511535112).

The spelling of 20031201322110 in words is "twenty trillion, thirty-one billion, two hundred one million, three hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 20233536689 40467073378 60700610067 101167683445 121401220134 182101830201 202335366890 222568903579 303503050335 364203660402 445137807158 607006100670 667706710737 910509151005 1112844517895 1335413421474 1821018302010 2003120132211 2225689035790 3338533553685 4006240264422 6677067107370 10015600661055 20031201322110