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84084238927 = 13281129717747
BaseRepresentation
bin100111001001111001…
…1111010101001001111
322001000222022220112101
41032103303322221033
52334201031121202
6102343333015531
76034454144503
oct1162363725117
9261028286471
1084084238927
11327293a7257
12143677845a7
137c1033c140
1440d937a303
1522c1d33887
hex1393cfaa4f

84084238927 has 16 divisors (see below), whose sum is σ = 90949696992. Its totient is φ = 77276021760.

The previous prime is 84084238919. The next prime is 84084238943. The reversal of 84084238927 is 72983248048.

It is a cyclic number.

It is not a de Polignac number, because 84084238927 - 23 = 84084238919 is a prime.

It is a super-3 number, since 3×840842389273 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84084238907) 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, 4729068 + ... + 4746814.

It is an arithmetic number, because the mean of its divisors is an integer number (5684356062).

Almost surely, 284084238927 is an apocalyptic number.

84084238927 is a deficient number, since it is larger than the sum of its proper divisors (6865458065).

84084238927 is a wasteful number, since it uses less digits than its factorization.

84084238927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19338.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 84084238927 in words is "eighty-four billion, eighty-four million, two hundred thirty-eight thousand, nine hundred twenty-seven".

Divisors: 1 13 281 1297 3653 16861 17747 230711 364457 4737941 4986907 23017859 64829791 299232167 6468018379 84084238927