Search a number
-
+
4145123311 = 71747741127
BaseRepresentation
bin1111011100010001…
…1000111111101111
3101200212210002012121
43313010120333233
531442122421221
61523152213411
7204501652420
oct36704307757
911625702177
104145123311
1118378a554a
1297823a267
13510a039b4
142b472d647
15193d8ea41
hexf7118fef

4145123311 has 16 divisors (see below), whose sum is σ = 5122676736. Its totient is φ = 3272812416.

The previous prime is 4145123299. The next prime is 4145123317. The reversal of 4145123311 is 1133215414.

4145123311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4145123311 - 29 = 4145122799 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 (4145123317) 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, 364971 + ... + 376156.

It is an arithmetic number, because the mean of its divisors is an integer number (320167296).

Almost surely, 24145123311 is an apocalyptic number.

4145123311 is a deficient number, since it is larger than the sum of its proper divisors (977553425).

4145123311 is a wasteful number, since it uses less digits than its factorization.

4145123311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741198.

The product of its digits is 1440, while the sum is 25.

The square root of 4145123311 is about 64382.6320602070. The cubic root of 4145123311 is about 1606.3708633465.

Adding to 4145123311 its reverse (1133215414), we get a palindrome (5278338725).

The spelling of 4145123311 in words is "four billion, one hundred forty-five million, one hundred twenty-three thousand, three hundred eleven".

Divisors: 1 7 17 47 119 329 799 5593 741127 5187889 12599159 34832969 88194113 243830783 592160473 4145123311