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20134344013 = 741944915289
BaseRepresentation
bin10010110000000110…
…011011010101001101
31220222012022122120221
4102300012123111031
5312213343002023
613125524511341
71311643046260
oct226006332515
956865278527
1020134344013
1185a2348733
123a9ab4b551
131b8b484734
14d90096cd7
157cc95685d
hex4b019b54d

20134344013 has 16 divisors (see below), whose sum is σ = 23118480000. Its totient is φ = 17177352192.

The previous prime is 20134344011. The next prime is 20134344017. The reversal of 20134344013 is 31044343102.

It is not a de Polignac number, because 20134344013 - 21 = 20134344011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134344011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309273 + ... + 1324561.

It is an arithmetic number, because the mean of its divisors is an integer number (1444905000).

Almost surely, 220134344013 is an apocalyptic number.

It is an amenable number.

20134344013 is a deficient number, since it is larger than the sum of its proper divisors (2984135987).

20134344013 is a wasteful number, since it uses less digits than its factorization.

20134344013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16164.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20134344013 its reverse (31044343102), we get a palindrome (51178687115).

The spelling of 20134344013 in words is "twenty billion, one hundred thirty-four million, three hundred forty-four thousand, thirteen".

Divisors: 1 7 419 449 2933 3143 15289 107023 188131 1316917 6406091 6864761 44842637 48053327 2876334859 20134344013