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12224202340 = 2257112977339
BaseRepresentation
bin10110110001001111…
…01000011001100100
31011112220222211010211
423120213220121210
5200013343433330
65340555025204
7611633001610
oct133047503144
934486884124
1012224202340
115203275169
122451a3b204
1311ca743c2c
1483d700340
154b82aad2a
hex2d89e8664

12224202340 has 48 divisors (see below), whose sum is σ = 29364451200. Its totient is φ = 4187388672.

The previous prime is 12224202337. The next prime is 12224202383. The reversal of 12224202340 is 4320242221.

It is a super-2 number, since 2×122242023402 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119391 + ... + 196729.

It is an arithmetic number, because the mean of its divisors is an integer number (611759400).

Almost surely, 212224202340 is an apocalyptic number.

12224202340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12224202340 is an abundant number, since it is smaller than the sum of its proper divisors (17140248860).

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

12224202340 is a wasteful number, since it uses less digits than its factorization.

12224202340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78484 (or 78482 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12224202340 its reverse (4320242221), we get a palindrome (16544444561).

The spelling of 12224202340 in words is "twelve billion, two hundred twenty-four million, two hundred two thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1129 2258 4516 5645 7903 11290 15806 22580 31612 39515 77339 79030 154678 158060 309356 386695 541373 773390 1082746 1546780 2165492 2706865 5413730 10827460 87315731 174631462 349262924 436578655 611210117 873157310 1222420234 1746314620 2444840468 3056050585 6112101170 12224202340