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11030441221 = 37533355901
BaseRepresentation
bin10100100010111011…
…10010110100000101
31001110201201110202001
422101131302310011
5140042243104341
65022312345301
7540226126522
oct122135626405
931421643661
1011030441221
11475043a828
12217a0a5231
13106a3253c7
14768d56149
154485a3d31
hex291772d05

11030441221 has 8 divisors (see below), whose sum is σ = 11330888184. Its totient is φ = 10730116800.

The previous prime is 11030441207. The next prime is 11030441237. The reversal of 11030441221 is 12214403011.

It can be written as a sum of positive squares in 4 ways, for example, as 10050062500 + 980378721 = 100250^2 + 31311^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11030441221 - 229 = 10493570309 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 (11030441251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169371 + ... + 225271.

It is an arithmetic number, because the mean of its divisors is an integer number (1416361023).

Almost surely, 211030441221 is an apocalyptic number.

It is an amenable number.

11030441221 is a deficient number, since it is larger than the sum of its proper divisors (300446963).

11030441221 is an equidigital number, since it uses as much as digits as its factorization.

11030441221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61271.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11030441221 its reverse (12214403011), we get a palindrome (23244844232).

It can be divided in two parts, 110304 and 41221, that added together give a triangular number (151525 = T550).

The spelling of 11030441221 in words is "eleven billion, thirty million, four hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 37 5333 55901 197321 2068337 298120033 11030441221