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427295982729 = 371117591051601
BaseRepresentation
bin1100011011111001101…
…00110100010010001001
31111211220222202222000010
412031330310310102021
524000100232421404
6524144055502133
742604535632410
oct6157464642211
91454828688003
10427295982729
11155240496210
126a990687949
13313a8741305
1416977450477
15b1ace47189
hex637cd34489

427295982729 has 32 divisors (see below), whose sum is σ = 710714695680. Its totient is φ = 221845536000.

The previous prime is 427295982721. The next prime is 427295982739. The reversal of 427295982729 is 927289592724.

It is not a de Polignac number, because 427295982729 - 23 = 427295982721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 427295982729.

It is not an unprimeable number, because it can be changed into a prime (427295982721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119472 + ... + 932129.

It is an arithmetic number, because the mean of its divisors is an integer number (22209834240).

Almost surely, 2427295982729 is an apocalyptic number.

It is an amenable number.

427295982729 is a deficient number, since it is larger than the sum of its proper divisors (283418712951).

427295982729 is a wasteful number, since it uses less digits than its factorization.

427295982729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053381.

The product of its digits is 91445760, while the sum is 66.

The spelling of 427295982729 in words is "four hundred twenty-seven billion, two hundred ninety-five million, nine hundred eighty-two thousand, seven hundred twenty-nine".

Divisors: 1 3 7 11 21 33 77 231 1759 5277 12313 19349 36939 58047 135443 406329 1051601 3154803 7361207 11567611 22083621 34702833 80973277 242919831 1849766159 5549298477 12948363113 20347427749 38845089339 61042283247 142431994243 427295982729