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11021203230 = 235421872621
BaseRepresentation
bin10100100001110101…
…00011011100011110
31001110002100010121020
422100322203130132
5140032412000410
65021342345010
7540054452562
oct122072433436
931402303536
1011021203230
114746200124
122176b8b166
13106843c63b
14767a2d6a2
1544787ba70
hex290ea371e

11021203230 has 32 divisors (see below), whose sum is σ = 26513746848. Its totient is φ = 2932003200.

The previous prime is 11021203211. The next prime is 11021203231. The reversal of 11021203230 is 3230212011.

11021203230 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 (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021203231) 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 15 ways as a sum of consecutive naturals, for example, 423681 + ... + 448940.

It is an arithmetic number, because the mean of its divisors is an integer number (828554589).

Almost surely, 211021203230 is an apocalyptic number.

11021203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021203230 is an abundant number, since it is smaller than the sum of its proper divisors (15492543618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021203230 is a wasteful number, since it uses less digits than its factorization.

11021203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873052.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11021203230 its reverse (3230212011), we get a palindrome (14251415241).

The spelling of 11021203230 in words is "eleven billion, twenty-one million, two hundred three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 421 842 1263 2105 2526 4210 6315 12630 872621 1745242 2617863 4363105 5235726 8726210 13089315 26178630 367373441 734746882 1102120323 1836867205 2204240646 3673734410 5510601615 11021203230