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12221453030 = 2519197932503
BaseRepresentation
bin10110110000111010…
…01001001011100110
31011112201211010210112
423120131021023212
5200012142444110
65340420053022
7611600431253
oct133035111346
934481733715
1012221453030
115201767606
122450b34172
1311c9cc0717
1483d1c642a
154b7e16405
hex2d87492e6

12221453030 has 32 divisors (see below), whose sum is σ = 23168851200. Its totient is φ = 4628804832.

The previous prime is 12221453003. The next prime is 12221453053. The reversal of 12221453030 is 3035412221.

12221453030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12221452987 and 12221453005.

It is a congruent number.

It is an unprimeable number.

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, 359759 + ... + 392261.

It is an arithmetic number, because the mean of its divisors is an integer number (724026600).

Almost surely, 212221453030 is an apocalyptic number.

12221453030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221453030 is a deficient number, since it is larger than the sum of its proper divisors (10947398170).

12221453030 is a wasteful number, since it uses less digits than its factorization.

12221453030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34508.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12221453030 its reverse (3035412221), we get a palindrome (15256865251).

The spelling of 12221453030 in words is "twelve billion, two hundred twenty-one million, four hundred fifty-three thousand, thirty".

Divisors: 1 2 5 10 19 38 95 190 1979 3958 9895 19790 32503 37601 65006 75202 162515 188005 325030 376010 617557 1235114 3087785 6175570 64323437 128646874 321617185 643234370 1222145303 2444290606 6110726515 12221453030