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8100093325 = 521971644689
BaseRepresentation
bin1111000101100110…
…11001110110001101
3202220111202101010111
413202303121312031
5113042110441300
63415433040021
7404504441302
oct74263316615
922814671114
108100093325
113487323005
1216a0856011
139c11ba23c
1456bac10a9
153261bc9ba
hex1e2cd9d8d

8100093325 has 12 divisors (see below), whose sum is σ = 10095107220. Its totient is φ = 6447176960.

The previous prime is 8100093277. The next prime is 8100093341. The reversal of 8100093325 is 5233900018.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 31203396 + 8068889929 = 5586^2 + 89827^2 .

It is not a de Polignac number, because 8100093325 - 227 = 7965875597 is a prime.

It is a super-2 number, since 2×81000933252 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 817420 + ... + 827269.

It is an arithmetic number, because the mean of its divisors is an integer number (841258935).

Almost surely, 28100093325 is an apocalyptic number.

It is an amenable number.

8100093325 is a deficient number, since it is larger than the sum of its proper divisors (1995013895).

8100093325 is a wasteful number, since it uses less digits than its factorization.

8100093325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644896 (or 1644891 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 8100093325 is about 90000.5184707288. The cubic root of 8100093325 is about 2008.3065631589.

The spelling of 8100093325 in words is "eight billion, one hundred million, ninety-three thousand, three hundred twenty-five".

Divisors: 1 5 25 197 985 4925 1644689 8223445 41117225 324003733 1620018665 8100093325