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20116112001575 = 5217192491159381
BaseRepresentation
bin1001001001011101001011…
…01101011100101000100111
32122020002012102200022222112
410210232211231130220213
510114040244133022300
6110441114141151235
74144225002526622
oct444564555345047
978202172608875
1020116112001575
116456216887417
12230a77925b51b
13b2bc30b32b05
144d78a7086db9
1524d3ed83be35
hex124ba5b5ca27

20116112001575 has 24 divisors (see below), whose sum is σ = 27801338703120. Its totient is φ = 14349078028800.

The previous prime is 20116112001571. The next prime is 20116112001589. The reversal of 20116112001575 is 57510021161102.

It is not a de Polignac number, because 20116112001575 - 22 = 20116112001571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116112001571) by changing a digit.

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, 1245571616 + ... + 1245587765.

It is an arithmetic number, because the mean of its divisors is an integer number (1158389112630).

Almost surely, 220116112001575 is an apocalyptic number.

20116112001575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20116112001575 is a deficient number, since it is larger than the sum of its proper divisors (7685226701545).

20116112001575 is a wasteful number, since it uses less digits than its factorization.

20116112001575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491159427 (or 2491159422 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 32.

Adding to 20116112001575 its reverse (57510021161102), we get a palindrome (77626133162677).

The spelling of 20116112001575 in words is "twenty trillion, one hundred sixteen billion, one hundred twelve million, one thousand, five hundred seventy-five".

Divisors: 1 5 17 19 25 85 95 323 425 475 1615 8075 2491159381 12455796905 42349709477 47332028239 62278984525 211748547385 236660141195 804644480063 1058742736925 1183300705975 4023222400315 20116112001575