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20131014133130 = 253037662858549
BaseRepresentation
bin1001001001111000111011…
…11100100100010110001010
32122021111122222200001101212
410210330131330210112022
510114311304104230010
6110452021001413122
74145263203542405
oct444743574442612
978244588601355
1020131014133130
11646157373341a
122311637a9a1a2
13b30467303634
144d84bc2b2d3c
1524d9c1c6d505
hex124f1df2458a

20131014133130 has 16 divisors (see below), whose sum is σ = 36247756948200. Its totient is φ = 8049754206912.

The previous prime is 20131014133129. The next prime is 20131014133157. The reversal of 20131014133130 is 3133141013102.

It can be written as a sum of positive squares in 4 ways, for example, as 14650728451129 + 5480285682001 = 3827627^2 + 2341001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20131014133096 and 20131014133105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331398905 + ... + 331459644.

Almost surely, 220131014133130 is an apocalyptic number.

20131014133130 is a deficient number, since it is larger than the sum of its proper divisors (16116742815070).

20131014133130 is a wasteful number, since it uses less digits than its factorization.

20131014133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662861593.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20131014133130 its reverse (3133141013102), we get a palindrome (23264155146232).

The spelling of 20131014133130 in words is "twenty trillion, one hundred thirty-one billion, fourteen million, one hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 3037 6074 15185 30370 662858549 1325717098 3314292745 6628585490 2013101413313 4026202826626 10065507066565 20131014133130