Search a number
-
+
8076579993 = 321667538331
BaseRepresentation
bin1111000010110011…
…01101010010011001
3202211212111202220100
413201121231102121
5113020101024433
63413233050013
7404100540306
oct74131552231
922755452810
108076579993
1134750230a9
1216949b6909
139b9376921
145689200ad
153240c5b13
hex1e166d499

8076579993 has 12 divisors (see below), whose sum is σ = 11673191088. Its totient is φ = 5381146680.

The previous prime is 8076579991. The next prime is 8076580013. The reversal of 8076579993 is 3999756708.

It is not a de Polignac number, because 8076579993 - 21 = 8076579991 is a prime.

It is a super-2 number, since 2×80765799932 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8076579993.

It is not an unprimeable number, because it can be changed into a prime (8076579991) 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 11 ways as a sum of consecutive naturals, for example, 254163 + ... + 284168.

It is an arithmetic number, because the mean of its divisors is an integer number (972765924).

Almost surely, 28076579993 is an apocalyptic number.

It is an amenable number.

8076579993 is a deficient number, since it is larger than the sum of its proper divisors (3596611095).

8076579993 is a wasteful number, since it uses less digits than its factorization.

8076579993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540004 (or 540001 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The square root of 8076579993 is about 89869.7946642808. The cubic root of 8076579993 is about 2006.3614108567.

The spelling of 8076579993 in words is "eight billion, seventy-six million, five hundred seventy-nine thousand, nine hundred ninety-three".

Divisors: 1 3 9 1667 5001 15003 538331 1614993 4844979 897397777 2692193331 8076579993