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2081308814 = 21331283299
BaseRepresentation
bin111110000001110…
…0100000010001110
312101001100102221122
41330003210002032
513230303340224
6542305400542
7102401555504
oct17403440216
95331312848
102081308814
11978932132
124a1039152
132722753a0
1415a5c2674
15c2ac415e
hex7c0e408e

2081308814 has 24 divisors (see below), whose sum is σ = 3474109800. Its totient is φ = 929605680.

The previous prime is 2081308813. The next prime is 2081308819. The reversal of 2081308814 is 4188031802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081308813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16664 + ... + 66635.

It is an arithmetic number, because the mean of its divisors is an integer number (144754575).

Almost surely, 22081308814 is an apocalyptic number.

2081308814 is a deficient number, since it is larger than the sum of its proper divisors (1392800986).

2081308814 is a wasteful number, since it uses less digits than its factorization.

2081308814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83376 (or 83345 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 2081308814 is about 45621.3635701521. The cubic root of 2081308814 is about 1276.7685443707.

The spelling of 2081308814 in words is "two billion, eighty-one million, three hundred eight thousand, eight hundred fourteen".

Divisors: 1 2 13 26 31 62 403 806 961 1922 12493 24986 83299 166598 1082887 2165774 2582269 5164538 33569497 67138994 80050339 160100678 1040654407 2081308814