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2311034145 = 357172694813
BaseRepresentation
bin1000100110111111…
…1001010100100001
312222001121200212020
42021233321110201
514213111043040
61021153252053
7111161315610
oct21157712441
95861550766
102311034145
11a86578182
12545b64029
132aaa39634
1417cd01877
15d7d50cd0
hex89bf9521

2311034145 has 64 divisors (see below), whose sum is σ = 4492039680. Its totient is φ = 990425088.

The previous prime is 2311034137. The next prime is 2311034147. The reversal of 2311034145 is 5414301132.

It is a happy number.

2311034145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2311034145 - 23 = 2311034137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2311034147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 477759 + ... + 482571.

It is an arithmetic number, because the mean of its divisors is an integer number (70188120).

Almost surely, 22311034145 is an apocalyptic number.

It is an amenable number.

2311034145 is a deficient number, since it is larger than the sum of its proper divisors (2181005535).

2311034145 is a wasteful number, since it uses less digits than its factorization.

2311034145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2311034145 is about 48073.2165035792. The cubic root of 2311034145 is about 1322.1136448345.

Adding to 2311034145 its reverse (5414301132), we get a palindrome (7725335277).

The spelling of 2311034145 in words is "two billion, three hundred eleven million, thirty-four thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 17 21 35 51 85 105 119 255 269 357 595 807 1345 1785 1883 4035 4573 4813 5649 9415 13719 14439 22865 24065 28245 32011 33691 68595 72195 81821 96033 101073 160055 168455 245463 409105 480165 505365 572747 1227315 1294697 1718241 2863735 3884091 6473485 8591205 9062879 19420455 22009849 27188637 45314395 66029547 110049245 135943185 154068943 330147735 462206829 770344715 2311034145