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20130013233313 = 171184118425489
BaseRepresentation
bin1001001001110111000100…
…10010011100000010100001
32122021102002020022001222021
410210323202102130002201
510114302231341431223
6110451333404541441
74145226331203214
oct444734222340241
978242066261867
1020130013233313
1164610aa755595
1223113b8851881
13b30337b3ca19
144d84253ad77b
1524d963e6065d
hex124ee249c0a1

20130013233313 has 4 divisors (see below), whose sum is σ = 21314131658820. Its totient is φ = 18945894807808.

The previous prime is 20130013233311. The next prime is 20130013233377. The reversal of 20130013233313 is 31333231003102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16867177939089 + 3262835294224 = 4106967^2 + 1806332^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130013233313 - 21 = 20130013233311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130013233311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592059212728 + ... + 592059212761.

It is an arithmetic number, because the mean of its divisors is an integer number (5328532914705).

Almost surely, 220130013233313 is an apocalyptic number.

It is an amenable number.

20130013233313 is a deficient number, since it is larger than the sum of its proper divisors (1184118425507).

20130013233313 is a wasteful number, since it uses less digits than its factorization.

20130013233313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184118425506.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 20130013233313 its reverse (31333231003102), we get a palindrome (51463244236415).

The spelling of 20130013233313 in words is "twenty trillion, one hundred thirty billion, thirteen million, two hundred thirty-three thousand, three hundred thirteen".

Divisors: 1 17 1184118425489 20130013233313