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2133111342 = 231918711503
BaseRepresentation
bin111111100100100…
…1011001000101110
312111122211021122210
41333021023020232
513332034030332
6551355551250
7103601101335
oct17711131056
95448737583
102133111342
119a50a413a
124b645b526
1327cc1207b
14163428d1c
15c7407ecc
hex7f24b22e

2133111342 has 16 divisors (see below), whose sum is σ = 4490760960. Its totient is φ = 673614072.

The previous prime is 2133111341. The next prime is 2133111353. The reversal of 2133111342 is 2431113312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133111341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9355638 + ... + 9355865.

It is an arithmetic number, because the mean of its divisors is an integer number (280672560).

Almost surely, 22133111342 is an apocalyptic number.

2133111342 is an abundant number, since it is smaller than the sum of its proper divisors (2357649618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133111342 is a wasteful number, since it uses less digits than its factorization.

2133111342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18711527.

The product of its digits is 432, while the sum is 21.

The square root of 2133111342 is about 46185.6183459743. The cubic root of 2133111342 is about 1287.2745257845.

Adding to 2133111342 its reverse (2431113312), we get a palindrome (4564224654).

The spelling of 2133111342 in words is "two billion, one hundred thirty-three million, one hundred eleven thousand, three hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 18711503 37423006 56134509 112269018 355518557 711037114 1066555671 2133111342