Search a number
-
+
11156251205 = 511217993089
BaseRepresentation
bin10100110001111011…
…01110001001000101
31001210111110021121002
422120331232021011
5140322000014310
65043005103045
7543314366501
oct123075561105
931714407532
1011156251205
11480545a720
1221b4257a85
13108a404998
1477b945301
15454655da5
hex298f6e245

11156251205 has 16 divisors (see below), whose sum is σ = 14611406400. Its totient is φ = 8109826560.

The previous prime is 11156251163. The next prime is 11156251219. The reversal of 11156251205 is 50215265111.

11156251205 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 11156251205 - 28 = 11156250949 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 73301 + ... + 166389.

It is an arithmetic number, because the mean of its divisors is an integer number (913212900).

Almost surely, 211156251205 is an apocalyptic number.

It is an amenable number.

11156251205 is a deficient number, since it is larger than the sum of its proper divisors (3455155195).

11156251205 is a wasteful number, since it uses less digits than its factorization.

11156251205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95284.

The product of its (nonzero) digits is 3000, while the sum is 29.

The spelling of 11156251205 in words is "eleven billion, one hundred fifty-six million, two hundred fifty-one thousand, two hundred five".

Divisors: 1 5 11 55 2179 10895 23969 93089 119845 465445 1023979 5119895 202840931 1014204655 2231250241 11156251205