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83964288805 = 519883834619
BaseRepresentation
bin100111000110010101…
…0010101111100100101
322000201121121210220021
41032030222111330211
52333424324220210
6102323410035141
76031466451625
oct1161452257445
9260647553807
1083964288805
1132677719a21
1214333578ab1
137bc1531b37
1440c7474885
1522b653cbda
hex138ca95f25

83964288805 has 8 divisors (see below), whose sum is σ = 106060154400. Its totient is φ = 63636092496.

The previous prime is 83964288799. The next prime is 83964288839. The reversal of 83964288805 is 50888246938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83964288805 - 213 = 83964280613 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 441917215 + ... + 441917404.

It is an arithmetic number, because the mean of its divisors is an integer number (13257519300).

Almost surely, 283964288805 is an apocalyptic number.

It is an amenable number.

83964288805 is a deficient number, since it is larger than the sum of its proper divisors (22095865595).

83964288805 is a wasteful number, since it uses less digits than its factorization.

83964288805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883834643.

The product of its (nonzero) digits is 26542080, while the sum is 61.

The spelling of 83964288805 in words is "eighty-three billion, nine hundred sixty-four million, two hundred eighty-eight thousand, eight hundred five".

Divisors: 1 5 19 95 883834619 4419173095 16792857761 83964288805