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1111304101 = 1664966749
BaseRepresentation
bin100001000111101…
…0010011110100101
32212110010002122011
41002033102132211
54233443212401
6302135034221
736352633435
oct10217223645
92773102564
101111304101
11520336246
1227020b971
1314930acbb
14a78422c5
156786a451
hex423d27a5

1111304101 has 4 divisors (see below), whose sum is σ = 1111387500. Its totient is φ = 1111220704.

The previous prime is 1111304069. The next prime is 1111304113. The reversal of 1111304101 is 1014031111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1014031111 = 3132710681.

It can be written as a sum of positive squares in 2 ways, for example, as 784056001 + 327248100 = 28001^2 + 18090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111304101 - 25 = 1111304069 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 (1111304191) 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, 16726 + ... + 50023.

It is an arithmetic number, because the mean of its divisors is an integer number (277846875).

Almost surely, 21111304101 is an apocalyptic number.

It is an amenable number.

1111304101 is a deficient number, since it is larger than the sum of its proper divisors (83399).

1111304101 is an equidigital number, since it uses as much as digits as its factorization.

1111304101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83398.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1111304101 is about 33336.2280559754. The cubic root of 1111304101 is about 1035.8041316254.

Adding to 1111304101 its reverse (1014031111), we get a palindrome (2125335212).

The spelling of 1111304101 in words is "one billion, one hundred eleven million, three hundred four thousand, one hundred one".

Divisors: 1 16649 66749 1111304101