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84094205369 = 131641940499
BaseRepresentation
bin100111001010001100…
…1111011110110111001
322001001200002020220212
41032110121323312321
52334211104032434
6102344330400505
76034634644256
oct1162431736671
9261050066825
1084094205369
1132733a94189
121436ab90135
137c1241b645
1440da81242d
1522c2b518ce
hex139467bdb9

84094205369 has 4 divisors (see below), whose sum is σ = 84736146000. Its totient is φ = 83452264740.

The previous prime is 84094205359. The next prime is 84094205381. The reversal of 84094205369 is 96350249048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84094205369 - 28 = 84094205113 is a prime.

It is a super-2 number, since 2×840942053692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84094205329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320970119 + ... + 320970380.

It is an arithmetic number, because the mean of its divisors is an integer number (21184036500).

Almost surely, 284094205369 is an apocalyptic number.

It is an amenable number.

84094205369 is a deficient number, since it is larger than the sum of its proper divisors (641940631).

84094205369 is a wasteful number, since it uses less digits than its factorization.

84094205369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641940630.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 84094205369 in words is "eighty-four billion, ninety-four million, two hundred five thousand, three hundred sixty-nine".

Divisors: 1 131 641940499 84094205369