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2085019518 = 23438081471
BaseRepresentation
bin111110001000110…
…1101111101111110
312101022022222002010
41330101231331332
513232231111033
6542521112050
7102445242051
oct17421557576
95338288063
102085019518
1197aa3702a
124a2328626
13272c7437a
1415acaaa98
15c30a8863
hex7c46df7e

2085019518 has 16 divisors (see below), whose sum is σ = 4267017216. Its totient is φ = 678843480.

The previous prime is 2085019513. The next prime is 2085019537. The reversal of 2085019518 is 8159105802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085019513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4040478 + ... + 4040993.

It is an arithmetic number, because the mean of its divisors is an integer number (266688576).

Almost surely, 22085019518 is an apocalyptic number.

2085019518 is an abundant number, since it is smaller than the sum of its proper divisors (2181997698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2085019518 is a wasteful number, since it uses less digits than its factorization.

2085019518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8081519.

The product of its (nonzero) digits is 28800, while the sum is 39.

The square root of 2085019518 is about 45662.0139503286. The cubic root of 2085019518 is about 1277.5268648601.

The spelling of 2085019518 in words is "two billion, eighty-five million, nineteen thousand, five hundred eighteen".

Divisors: 1 2 3 6 43 86 129 258 8081471 16162942 24244413 48488826 347503253 695006506 1042509759 2085019518