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12003943471 = 1359149105037
BaseRepresentation
bin10110010110111110…
…11010010000101111
31010222120112111202221
423023133122100233
5144041002142341
65303050100211
7603316556512
oct131337322057
933876474687
1012003943471
1150aaa05443
1223b011a667
131193c15740
1481c366d79
154a3c9ded1
hex2cb7da42f

12003943471 has 16 divisors (see below), whose sum is σ = 13234788000. Its totient is φ = 10819548288.

The previous prime is 12003943463. The next prime is 12003943477. The reversal of 12003943471 is 17434930021.

It is a cyclic number.

It is not a de Polignac number, because 12003943471 - 23 = 12003943463 is a prime.

It is a super-3 number, since 3×120039434713 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003943477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61765 + ... + 166801.

It is an arithmetic number, because the mean of its divisors is an integer number (827174250).

Almost surely, 212003943471 is an apocalyptic number.

12003943471 is a deficient number, since it is larger than the sum of its proper divisors (1230844529).

12003943471 is a wasteful number, since it uses less digits than its factorization.

12003943471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105258.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 12003943471 in words is "twelve billion, three million, nine hundred forty-three thousand, four hundred seventy-one".

Divisors: 1 13 59 149 767 1937 8791 105037 114283 1365481 6197183 15650513 80563379 203456669 923380267 12003943471