Search a number
-
+
11200223131 = 40127930731
BaseRepresentation
bin10100110111001010…
…11101011110011011
31001220120012021201221
422123211131132123
5140414224120011
65051215352511
7544360216516
oct123345353633
931816167657
1011200223131
114828263459
122206b22737
13109655c386
1478370dd7d
1545843e971
hex29b95d79b

11200223131 has 4 divisors (see below), whose sum is σ = 11228154264. Its totient is φ = 11172292000.

The previous prime is 11200223123. The next prime is 11200223161. The reversal of 11200223131 is 13132200211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11200223131 - 23 = 11200223123 is a prime.

It is a super-2 number, since 2×112002231312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200223161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13964965 + ... + 13965766.

It is an arithmetic number, because the mean of its divisors is an integer number (2807038566).

Almost surely, 211200223131 is an apocalyptic number.

11200223131 is a deficient number, since it is larger than the sum of its proper divisors (27931133).

11200223131 is an equidigital number, since it uses as much as digits as its factorization.

11200223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27931132.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11200223131 its reverse (13132200211), we get a palindrome (24332423342).

The spelling of 11200223131 in words is "eleven billion, two hundred million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 401 27930731 11200223131