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12003725720 = 235742870449
BaseRepresentation
bin10110010110111101…
…00101000110011000
31010222120010110002002
423023132211012120
5144040423210340
65303041300132
7603314661620
oct131336450630
933876113062
1012003725720
1150aa876888
1223b0034648
131193b6a5ac
1481c30b880
154a3c59715
hex2cb7a5198

12003725720 has 32 divisors (see below), whose sum is σ = 30866724000. Its totient is φ = 4115563008.

The previous prime is 12003725719. The next prime is 12003725731. The reversal of 12003725720 is 2752730021.

12003725720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 21434945 + ... + 21435504.

It is an arithmetic number, because the mean of its divisors is an integer number (964585125).

Almost surely, 212003725720 is an apocalyptic number.

12003725720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003725720 is an abundant number, since it is smaller than the sum of its proper divisors (18862998280).

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

12003725720 is a wasteful number, since it uses less digits than its factorization.

12003725720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42870467 (or 42870463 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The spelling of 12003725720 in words is "twelve billion, three million, seven hundred twenty-five thousand, seven hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 42870449 85740898 171481796 214352245 300093143 342963592 428704490 600186286 857408980 1200372572 1500465715 1714817960 2400745144 3000931430 6001862860 12003725720