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2133111413 = 22976912113
BaseRepresentation
bin111111100100100…
…1011001001110101
312111122211021202102
41333021023021311
513332034031123
6551355551445
7103601101466
oct17711131165
95448737672
102133111413
119a50a41a4
124b645b585
1327cc12104
14163428d6d
15c7408028
hex7f24b275

2133111413 has 8 divisors (see below), whose sum is σ = 2145389400. Its totient is φ = 2120859648.

The previous prime is 2133111401. The next prime is 2133111419. The reversal of 2133111413 is 3141113312.

It can be written as a sum of positive squares in 4 ways, for example, as 487835569 + 1645275844 = 22087^2 + 40562^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2133111413 - 210 = 2133110389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133111419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170045 + ... + 182157.

It is an arithmetic number, because the mean of its divisors is an integer number (268173675).

Almost surely, 22133111413 is an apocalyptic number.

It is an amenable number.

2133111413 is a deficient number, since it is larger than the sum of its proper divisors (12277987).

2133111413 is a wasteful number, since it uses less digits than its factorization.

2133111413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13111.

The product of its digits is 216, while the sum is 20.

The square root of 2133111413 is about 46185.6191146119. The cubic root of 2133111413 is about 1287.2745400667.

Adding to 2133111413 its reverse (3141113312), we get a palindrome (5274224725).

The spelling of 2133111413 in words is "two billion, one hundred thirty-three million, one hundred eleven thousand, four hundred thirteen".

Divisors: 1 229 769 12113 176101 2773877 9314897 2133111413