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11230210311 = 314931180783
BaseRepresentation
bin10100111010101111…
…10110100100000111
31001222122121210102020
422131113312210013
5140444413212221
65054210214223
7545203132635
oct123527664407
931878553366
1011230210311
114843185251
122214b84373
13109c82b578
147876b8355
1545adb4ac6
hex29d5f6907

11230210311 has 16 divisors (see below), whose sum is σ = 15122764800. Its totient is φ = 7412556320.

The previous prime is 11230210309. The next prime is 11230210351. The reversal of 11230210311 is 11301203211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11230210311 - 21 = 11230210309 is a prime.

It is a super-2 number, since 2×112302103112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230210351) by changing a digit.

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, 98626 + ... + 179408.

It is an arithmetic number, because the mean of its divisors is an integer number (945172800).

Almost surely, 211230210311 is an apocalyptic number.

11230210311 is a deficient number, since it is larger than the sum of its proper divisors (3892554489).

11230210311 is a wasteful number, since it uses less digits than its factorization.

11230210311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81246.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11230210311 its reverse (11301203211), we get a palindrome (22531413522).

The spelling of 11230210311 in words is "eleven billion, two hundred thirty million, two hundred ten thousand, three hundred eleven".

Divisors: 1 3 149 311 447 933 46339 80783 139017 242349 12036667 25123513 36110001 75370539 3743403437 11230210311