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2807934085 = 51199151517
BaseRepresentation
bin1010011101011101…
…1010110010000101
321020200121211102201
42213113122302011
521222312342320
61142343434501
7126404021515
oct24727326205
97220554381
102807934085
111211007490
12664455a31
13359977678
141c8ccb845
151167a570a
hexa75dac85

2807934085 has 16 divisors (see below), whose sum is σ = 3679621632. Its totient is φ = 2040033600.

The previous prime is 2807934083. The next prime is 2807934091. The reversal of 2807934085 is 5804397082.

It is not a de Polignac number, because 2807934085 - 21 = 2807934083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2807934083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28747 + ... + 80263.

It is an arithmetic number, because the mean of its divisors is an integer number (229976352).

Almost surely, 22807934085 is an apocalyptic number.

It is an amenable number.

2807934085 is a deficient number, since it is larger than the sum of its proper divisors (871687547).

2807934085 is a wasteful number, since it uses less digits than its factorization.

2807934085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52524.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 2807934085 is about 52989.9432439779. The cubic root of 2807934085 is about 1410.7897734986.

The spelling of 2807934085 in words is "two billion, eight hundred seven million, nine hundred thirty-four thousand, eighty-five".

Divisors: 1 5 11 55 991 4955 10901 51517 54505 257585 566687 2833435 51053347 255266735 561586817 2807934085