Search a number
-
+
11212305005 = 511203860091
BaseRepresentation
bin10100111000100111…
…00011001001101101
31001221101221002221202
422130103203021231
5140430322230010
65052330335245
7544565006606
oct123423431155
931841832852
1011212305005
114834065780
12220ab8a525
131098bcc705
14785176dad
154595296a5
hex29c4e326d

11212305005 has 8 divisors (see below), whose sum is σ = 14677926624. Its totient is φ = 8154403600.

The previous prime is 11212304993. The next prime is 11212305011. The reversal of 11212305005 is 50050321211.

It is a happy number.

11212305005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11212305005 - 24 = 11212304989 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 101929991 + ... + 101930100.

It is an arithmetic number, because the mean of its divisors is an integer number (1834740828).

Almost surely, 211212305005 is an apocalyptic number.

It is an amenable number.

11212305005 is a deficient number, since it is larger than the sum of its proper divisors (3465621619).

11212305005 is a wasteful number, since it uses less digits than its factorization.

11212305005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203860107.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 11212305005 its reverse (50050321211), we get a palindrome (61262626216).

The spelling of 11212305005 in words is "eleven billion, two hundred twelve million, three hundred five thousand, five".

Divisors: 1 5 11 55 203860091 1019300455 2242461001 11212305005