Search a number
-
+
8126450005 = 51985541579
BaseRepresentation
bin1111001000101111…
…11100100101010101
3202222100100102200211
413210113330211111
5113120332400010
63422214005421
7405244454032
oct74427744525
922870312624
108126450005
1134a0195193
1216a9646871
139c67b7acb
145713c2389
1532867708a
hex1e45fc955

8126450005 has 8 divisors (see below), whose sum is σ = 10264989600. Its totient is φ = 6158993616.

The previous prime is 8126449979. The next prime is 8126450021. The reversal of 8126450005 is 5000546218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8126450005 - 211 = 8126447957 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 42770695 + ... + 42770884.

It is an arithmetic number, because the mean of its divisors is an integer number (1283123700).

Almost surely, 28126450005 is an apocalyptic number.

It is an amenable number.

8126450005 is a deficient number, since it is larger than the sum of its proper divisors (2138539595).

8126450005 is a wasteful number, since it uses less digits than its factorization.

8126450005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85541603.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 8126450005 is about 90146.8247083612. The cubic root of 8126450005 is about 2010.4824634109.

The spelling of 8126450005 in words is "eight billion, one hundred twenty-six million, four hundred fifty thousand, five".

Divisors: 1 5 19 95 85541579 427707895 1625290001 8126450005