Search a number
-
+
11201212010 = 2529113341813
BaseRepresentation
bin10100110111010010…
…01110111001101010
31001220122001112020002
422123221032321222
5140420002241020
65051252503002
7544401505532
oct123351167152
931818045202
1011201212010
11482887940a
12220731aa62
131096817501
147838ca4c2
15458587975
hex29ba4ee6a

11201212010 has 32 divisors (see below), whose sum is σ = 21042069840. Its totient is φ = 4287689728.

The previous prime is 11201212003. The next prime is 11201212027. The reversal of 11201212010 is 1021210211.

It can be written as a sum of positive squares in 8 ways, for example, as 731215681 + 10469996329 = 27041^2 + 102323^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11201211982 and 11201212000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138137 + ... + 203676.

Almost surely, 211201212010 is an apocalyptic number.

11201212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11201212010 is a deficient number, since it is larger than the sum of its proper divisors (9840857830).

11201212010 is a wasteful number, since it uses less digits than its factorization.

11201212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341962.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11201212010 its reverse (1021210211), we get a palindrome (12222422221).

The spelling of 11201212010 in words is "eleven billion, two hundred one million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 29 58 113 145 226 290 565 1130 3277 6554 16385 32770 341813 683626 1709065 3418130 9912577 19825154 38624869 49562885 77249738 99125770 193124345 386248690 1120121201 2240242402 5600606005 11201212010