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11111012302 = 213913746771
BaseRepresentation
bin10100101100100010…
…01001011111001110
31001200100022220111011
422112101021133032
5140223404343202
65034311315434
7542225021605
oct122621113716
931610286434
1011111012302
114791970aa5
1221a107bb7a
131080c256c0
1477592aa3c
154506bbbd7
hex2964497ce

11111012302 has 16 divisors (see below), whose sum is σ = 17950906512. Its totient is φ = 5127488640.

The previous prime is 11111012291. The next prime is 11111012309. The reversal of 11111012302 is 20321011111.

It is a happy number.

11111012302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111012309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214177 + ... + 260947.

It is an arithmetic number, because the mean of its divisors is an integer number (1121931657).

Almost surely, 211111012302 is an apocalyptic number.

11111012302 is a deficient number, since it is larger than the sum of its proper divisors (6839894210).

11111012302 is a wasteful number, since it uses less digits than its factorization.

11111012302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55923.

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

Adding to 11111012302 its reverse (20321011111), we get a palindrome (31432023413).

The spelling of 11111012302 in words is "eleven billion, one hundred eleven million, twelve thousand, three hundred two".

Divisors: 1 2 13 26 9137 18274 46771 93542 118781 237562 608023 1216046 427346627 854693254 5555506151 11111012302