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11130300221 = 18715948851
BaseRepresentation
bin10100101110110101…
…01110011100111101
31001201200121211112112
422113122232130331
5140243324101341
65040240543405
7542550663605
oct122732563475
931650554475
1011130300221
1147a1845327
1221a7621b65
131084c19981
1477830bc05
1545222baeb
hex2976ae73d

11130300221 has 4 divisors (see below), whose sum is σ = 11136250944. Its totient is φ = 11124349500.

The previous prime is 11130300173. The next prime is 11130300229. The reversal of 11130300221 is 12200303111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12200303111 = 12919944369.

It is a cyclic number.

It is not a de Polignac number, because 11130300221 - 210 = 11130299197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11130300196 and 11130300205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130300229) 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, 2972555 + ... + 2976296.

It is an arithmetic number, because the mean of its divisors is an integer number (2784062736).

Almost surely, 211130300221 is an apocalyptic number.

It is an amenable number.

11130300221 is a deficient number, since it is larger than the sum of its proper divisors (5950723).

11130300221 is an equidigital number, since it uses as much as digits as its factorization.

11130300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950722.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11130300221 its reverse (12200303111), we get a palindrome (23330603332).

The spelling of 11130300221 in words is "eleven billion, one hundred thirty million, three hundred thousand, two hundred twenty-one".

Divisors: 1 1871 5948851 11130300221