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20112013123110 = 234547563522037
BaseRepresentation
bin1001001001010101100010…
…11001011101111000100110
32122012200121202220201210000
410210222301121131320212
510114003400324414420
6110435155320042130
74144021301611626
oct444526131357046
978180552821700
1020112013123110
1164545030a8357
122309a14603346
13b2b7298a123c
144d75d8954886
1524d25da84690
hex124ab165de26

20112013123110 has 80 divisors (see below), whose sum is σ = 54080209210896. Its totient is φ = 5363080466112.

The previous prime is 20112013123091. The next prime is 20112013123121. The reversal of 20112013123110 is 1132131021102.

20112013123110 is a `hidden beast` number, since 20 + 1 + 1 + 20 + 1 + 312 + 311 + 0 = 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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38265012 + ... + 38787048.

Almost surely, 220112013123110 is an apocalyptic number.

20112013123110 is an abundant number, since it is smaller than the sum of its proper divisors (33968196087786).

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

20112013123110 is a wasteful number, since it uses less digits than its factorization.

20112013123110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569619 (or 569610 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 20112013123110 its reverse (1132131021102), we get a palindrome (21244144144212).

The spelling of 20112013123110 in words is "twenty trillion, one hundred twelve billion, thirteen million, one hundred twenty-three thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 47563 95126 142689 237815 285378 428067 475630 522037 713445 856134 1044074 1284201 1426890 1566111 2140335 2568402 2610185 3132222 3852603 4280670 4698333 5220370 6421005 7705206 7830555 9396666 12842010 14094999 15661110 19263015 23491665 28189998 38526030 42284997 46983330 70474995 84569994 140949990 211424985 422849970 24829645831 49659291662 74488937493 124148229155 148977874986 223466812479 248296458310 372444687465 446933624958 670400437437 744889374930 1117334062395 1340800874874 2011201312311 2234668124790 3352002187185 4022402624622 6704004374370 10056006561555 20112013123110