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8481064207 = 721116679439
BaseRepresentation
bin1111110011000001…
…01100010100001111
3210220001121200221011
413321200230110033
5114332123023312
63521322350051
7420111566500
oct77140542417
923801550834
108481064207
113662381080
12178835b327
13a520c82b5
145a6530ba7
15349872da7
hex1f982c50f

8481064207 has 24 divisors (see below), whose sum is σ = 10770209280. Its totient is φ = 6603957360.

The previous prime is 8481064201. The next prime is 8481064237. The reversal of 8481064207 is 7024601848.

8481064207 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8481064207 - 215 = 8481031439 is a prime.

It is a super-4 number, since 4×84810642074 (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8481064207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8481064201) 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 23 ways as a sum of consecutive naturals, for example, 893794 + ... + 903232.

It is an arithmetic number, because the mean of its divisors is an integer number (448758720).

Almost surely, 28481064207 is an apocalyptic number.

8481064207 is a deficient number, since it is larger than the sum of its proper divisors (2289145073).

8481064207 is a wasteful number, since it uses less digits than its factorization.

8481064207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11131 (or 11124 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 8481064207 is about 92092.6935592613. The cubic root of 8481064207 is about 2039.3109462371.

The spelling of 8481064207 in words is "eight billion, four hundred eighty-one million, sixty-four thousand, two hundred seven".

Divisors: 1 7 11 49 77 539 1667 9439 11669 18337 66073 81683 103829 128359 462511 726803 898513 5087621 15734813 110143691 173082943 771005837 1211580601 8481064207