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8081730216 = 23327139115361
BaseRepresentation
bin1111000011011010…
…10110101010101000
3202212020012102200100
413201231112222220
5113022410331331
63413535305400
7404162400450
oct74155265250
922766172610
108081730216
113477a2058a
12169667b260
139ba45abb1
145694a0d60
15324791ae6
hex1e1b56aa8

8081730216 has 96 divisors (see below), whose sum is σ = 25195060800. Its totient is φ = 2292433920.

The previous prime is 8081730203. The next prime is 8081730227. The reversal of 8081730216 is 6120371808.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 12376 + ... + 127736.

It is an arithmetic number, because the mean of its divisors is an integer number (262448550).

Almost surely, 28081730216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8081730216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12597530400).

8081730216 is an abundant number, since it is smaller than the sum of its proper divisors (17113330584).

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

8081730216 is a wasteful number, since it uses less digits than its factorization.

8081730216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115519 (or 115512 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8081730216 is about 89898.4439019942. The cubic root of 8081730216 is about 2006.7877882370.

The spelling of 8081730216 in words is "eight billion, eighty-one million, seven hundred thirty thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 139 168 252 278 417 504 556 834 973 1112 1251 1668 1946 2502 2919 3336 3892 5004 5838 7784 8757 10008 11676 17514 23352 35028 70056 115361 230722 346083 461444 692166 807527 922888 1038249 1384332 1615054 2076498 2422581 2768664 3230108 4152996 4845162 6460216 7267743 8305992 9690324 14535486 16035179 19380648 29070972 32070358 48105537 58141944 64140716 96211074 112246253 128281432 144316611 192422148 224492506 288633222 336738759 384844296 448985012 577266444 673477518 897970024 1010216277 1154532888 1346955036 2020432554 2693910072 4040865108 8081730216