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20110031134 = 289112977703
BaseRepresentation
bin10010101110101001…
…101011100100011110
31220220111120102120221
4102232221223210132
5312141131444014
613123255431554
71311226305244
oct225651534436
956814512527
1020110031134
11858a652046
123a929855ba
131b8642120b
14d8ab68794
157ca752b24
hex4aea6b91e

20110031134 has 8 divisors (see below), whose sum is σ = 30503980080. Its totient is φ = 9942037776.

The previous prime is 20110031131. The next prime is 20110031143. The reversal of 20110031134 is 43113001102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110031131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56488674 + ... + 56489029.

It is an arithmetic number, because the mean of its divisors is an integer number (3812997510).

Almost surely, 220110031134 is an apocalyptic number.

20110031134 is a deficient number, since it is larger than the sum of its proper divisors (10393948946).

20110031134 is a wasteful number, since it uses less digits than its factorization.

20110031134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112977794.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20110031134 its reverse (43113001102), we get a palindrome (63223032236).

The spelling of 20110031134 in words is "twenty billion, one hundred ten million, thirty-one thousand, one hundred thirty-four".

Divisors: 1 2 89 178 112977703 225955406 10055015567 20110031134