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2013013552123 = 72372939377789
BaseRepresentation
bin11101010010110000111…
…101010010101111111011
321010102221101010210110001
4131102300331102233323
5230440122432131443
64140433214333431
7265302231605200
oct35226075225773
97112841123401
102013013552123
11706794742142
122861761ba277
13117a9869c682
146d604d45ca7
153756a709d4d
hex1d4b0f52bfb

2013013552123 has 24 divisors (see below), whose sum is σ = 2405781831600. Its totient is φ = 1678231009728.

The previous prime is 2013013552117. The next prime is 2013013552157. The reversal of 2013013552123 is 3212553103102.

It is not a de Polignac number, because 2013013552123 - 229 = 2012476681211 is a prime.

It is a super-2 number, since 2×20130135521232 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2013013552091 and 2013013552100.

It is not an unprimeable number, because it can be changed into a prime (2013013552183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5139513 + ... + 5517301.

It is an arithmetic number, because the mean of its divisors is an integer number (100240909650).

Almost surely, 22013013552123 is an apocalyptic number.

2013013552123 is a deficient number, since it is larger than the sum of its proper divisors (392768279477).

2013013552123 is a wasteful number, since it uses less digits than its factorization.

2013013552123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380779 (or 380772 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 2013013552123 its reverse (3212553103102), we get a palindrome (5225566655225).

The spelling of 2013013552123 in words is "two trillion, thirteen billion, thirteen million, five hundred fifty-two thousand, one hundred twenty-three".

Divisors: 1 7 37 49 259 1813 2939 20573 108743 144011 377789 761201 2644523 5328407 13978193 18511661 97847351 684931457 1110321871 7772253097 41081909227 54405771679 287573364589 2013013552123