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12224026240 = 27543444187
BaseRepresentation
bin10110110001001101…
…11101011010000000
31011112220122212120121
423120212331122000
5200013322314430
65340551150024
7611631336316
oct133046753200
934486585517
1012224026240
115203164928
122451975314
1311ca6b1a2a
1483d6960b6
154b8273a7a
hex2d89bd680

12224026240 has 64 divisors (see below), whose sum is σ = 29902736160. Its totient is φ = 4775887872.

The previous prime is 12224026207. The next prime is 12224026259. The reversal of 12224026240 is 4262042221.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194574 + ... + 249613.

Almost surely, 212224026240 is an apocalyptic number.

12224026240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12224026240 is an abundant number, since it is smaller than the sum of its proper divisors (17678709920).

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

12224026240 is an equidigital number, since it uses as much as digits as its factorization.

12224026240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444249 (or 444237 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12224026240 its reverse (4262042221), we get a palindrome (16486068461).

The spelling of 12224026240 in words is "twelve billion, two hundred twenty-four million, twenty-six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 64 80 86 128 160 172 215 320 344 430 640 688 860 1376 1720 2752 3440 5504 6880 13760 27520 444187 888374 1776748 2220935 3553496 4441870 7106992 8883740 14213984 17767480 19100041 28427968 35534960 38200082 56855936 71069920 76400164 95500205 142139840 152800328 191000410 284279680 305600656 382000820 611201312 764001640 1222402624 1528003280 2444805248 3056006560 6112013120 12224026240